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6425261 = 12135297
BaseRepresentation
bin11000100000101010101101
3110002102210122
4120200222231
53121102021
6345414325
7105420353
oct30405255
913072718
106425261
113699437
12219a3a5
13143c73b
14bd37d3
1586dbab
hex620aad

6425261 has 4 divisors (see below), whose sum is σ = 6431772. Its totient is φ = 6418752.

The previous prime is 6425239. The next prime is 6425267. The reversal of 6425261 is 1625246.

6425261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2449225 + 3976036 = 1565^2 + 1994^2 .

It is a cyclic number.

It is not a de Polignac number, because 6425261 - 210 = 6424237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6425261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436 + ... + 3861.

It is an arithmetic number, because the mean of its divisors is an integer number (1607943).

Almost surely, 26425261 is an apocalyptic number.

It is an amenable number.

6425261 is a deficient number, since it is larger than the sum of its proper divisors (6511).

6425261 is a wasteful number, since it uses less digits than its factorization.

6425261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6510.

The product of its digits is 2880, while the sum is 26.

The square root of 6425261 is about 2534.8098548017. The cubic root of 6425261 is about 185.9075059450.

The spelling of 6425261 in words is "six million, four hundred twenty-five thousand, two hundred sixty-one".

Divisors: 1 1213 5297 6425261