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6497401 = 25492
BaseRepresentation
bin11000110010010001111001
3110020002202111
4120302101321
53130404101
6351132321
7106140601
oct30622171
913202674
106497401
113738659
1222140a1
131466521
14c11c01
15885251
hex632479

6497401 has 3 divisors (see below), whose sum is σ = 6499951. Its totient is φ = 6494852.

The previous prime is 6497399. The next prime is 6497441. The reversal of 6497401 is 1047946.

The square root of 6497401 is 2549.

It is a perfect power (a square), and thus also a powerful number.

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 only one way, i.e., 6007401 + 490000 = 2451^2 + 700^2 .

It is not a de Polignac number, because 6497401 - 21 = 6497399 is a prime.

It is a Duffinian number.

6497401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6497441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1275 + ... + 3823.

Almost surely, 26497401 is an apocalyptic number.

6497401 is the 2549-th square number.

6497401 is the 1275-th centered octagonal number.

It is an amenable number.

6497401 is a deficient number, since it is larger than the sum of its proper divisors (2550).

6497401 is an frugal number, since it uses more digits than its factorization.

6497401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5098 (or 2549 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The cubic root of 6497401 is about 186.6006806877.

The spelling of 6497401 in words is "six million, four hundred ninety-seven thousand, four hundred one".

Divisors: 1 2549 6497401