531523025 has 24 divisors (see below), whose sum is σ = 720870528. Its totient is φ = 385560000.

The previous prime is 531523009. The next prime is 531523033. The reversal of 531523025 is 520325135.

It is not a de Polignac number, because 531523025 - 2⁴ = 531523009 is a prime.

It is a super-2 number, since 2×531523025² = 565033452210301250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531522985 and 531523003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113480 + ... + 118070.

It is an arithmetic number, because the mean of its divisors is an integer number (30036272).

Almost surely, 2^531523025 is an apocalyptic number.

531523025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

531523025 is a deficient number, since it is larger than the sum of its proper divisors (189347503).

531523025 is a wasteful number, since it uses less digits than its factorization.

531523025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033 (or 5028 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 531523025 is about 23054.7831262842. The cubic root of 531523025 is about 810.0416708735.

The spelling of 531523025 in words is "five hundred thirty-one million, five hundred twenty-three thousand, twenty-five".