525671531 has 8 divisors (see below), whose sum is σ = 655382784. Its totient is φ = 409614120.

The previous prime is 525671527. The next prime is 525671579. The reversal of 525671531 is 135176525.

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

It is a cyclic number.

It is not a de Polignac number, because 525671531 - 2² = 525671527 is a prime.

It is a super-2 number, since 2×525671531² = 552661117007767922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 525671491 and 525671500.

It is not an unprimeable number, because it can be changed into a prime (525671581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3413375 + ... + 3413528.

It is an arithmetic number, because the mean of its divisors is an integer number (81922848).

Almost surely, 2^525671531 is an apocalyptic number.

525671531 is a deficient number, since it is larger than the sum of its proper divisors (129711253).

525671531 is a wasteful number, since it uses less digits than its factorization.

525671531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6826921.

The product of its digits is 31500, while the sum is 35.

The square root of 525671531 is about 22927.5277995688. The cubic root of 525671531 is about 807.0581343530.

The spelling of 525671531 in words is "five hundred twenty-five million, six hundred seventy-one thousand, five hundred thirty-one".