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5371521 = 31790507
BaseRepresentation
bin10100011111011010000001
3101002220100020
4110133122001
52333342041
6311044053
763441261
oct24373201
911086306
105371521
113039781
121970629
131160c1c
149db7a1
15711866
hex51f681

5371521 has 4 divisors (see below), whose sum is σ = 7162032. Its totient is φ = 3581012.

The previous prime is 5371519. The next prime is 5371529. The reversal of 5371521 is 1251735.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5371521 - 21 = 5371519 is a prime.

It is a D-number.

5371521 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5371491 and 5371500.

It is not an unprimeable number, because it can be changed into a prime (5371529) 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 3 ways as a sum of consecutive naturals, for example, 895251 + ... + 895256.

It is an arithmetic number, because the mean of its divisors is an integer number (1790508).

Almost surely, 25371521 is an apocalyptic number.

It is an amenable number.

5371521 is a deficient number, since it is larger than the sum of its proper divisors (1790511).

5371521 is a wasteful number, since it uses less digits than its factorization.

5371521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790510.

The product of its digits is 1050, while the sum is 24.

The square root of 5371521 is about 2317.6542019896. The cubic root of 5371521 is about 175.1321016164.

The spelling of 5371521 in words is "five million, three hundred seventy-one thousand, five hundred twenty-one".

Divisors: 1 3 1790507 5371521