875521131 has 8 divisors (see below), whose sum is σ = 1236029904. Its totient is φ = 549346560.

The previous prime is 875521117. The next prime is 875521139. The reversal of 875521131 is 131125578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 875521131 - 2⁵ = 875521099 is a prime.

It is a super-2 number, since 2×875521131² = 1533074501655038322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 875521092 and 875521101.

It is not an unprimeable number, because it can be changed into a prime (875521139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8583490 + ... + 8583591.

It is an arithmetic number, because the mean of its divisors is an integer number (154503738).

Almost surely, 2^875521131 is an apocalyptic number.

875521131 is a deficient number, since it is larger than the sum of its proper divisors (360508773).

875521131 is a wasteful number, since it uses less digits than its factorization.

875521131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17167101.

The product of its digits is 8400, while the sum is 33.

The square root of 875521131 is about 29589.2063259561. The cubic root of 875521131 is about 956.6554370809.

The spelling of 875521131 in words is "eight hundred seventy-five million, five hundred twenty-one thousand, one hundred thirty-one".