531401525 has 12 divisors (see below), whose sum is σ = 674263392. Its totient is φ = 415233840.

The previous prime is 531401413. The next prime is 531401527. The reversal of 531401525 is 525104135.

It is not a de Polignac number, because 531401525 - 2²² = 527207221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 531401494 and 531401503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531401527) 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 11 ways as a sum of consecutive naturals, for example, 246089 + ... + 248238.

It is an arithmetic number, because the mean of its divisors is an integer number (56188616).

Almost surely, 2^531401525 is an apocalyptic number.

It is an amenable number.

531401525 is a deficient number, since it is larger than the sum of its proper divisors (142861867).

531401525 is a wasteful number, since it uses less digits than its factorization.

531401525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494380 (or 494375 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 531401525 is about 23052.1479476425. The cubic root of 531401525 is about 809.9799441257.

The spelling of 531401525 in words is "five hundred thirty-one million, four hundred one thousand, five hundred twenty-five".