531230125 has 16 divisors (see below), whose sum is σ = 672068592. Its totient is φ = 419155200.

The previous prime is 531230111. The next prime is 531230131. The reversal of 531230125 is 521032135.

It can be written as a sum of positive squares in 8 ways, for example, as 121815369 + 409414756 = 11037^2 + 20234^2 .

It is not a de Polignac number, because 531230125 - 2²⁵ = 497675693 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 531230096 and 531230105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19984 + ... + 38233.

It is an arithmetic number, because the mean of its divisors is an integer number (42004287).

Almost surely, 2^531230125 is an apocalyptic number.

It is an amenable number.

531230125 is a deficient number, since it is larger than the sum of its proper divisors (140838467).

531230125 is an equidigital number, since it uses as much as digits as its factorization.

531230125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58305 (or 58295 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 531230125 is about 23048.4299899147. The cubic root of 531230125 is about 809.8928502272.

The spelling of 531230125 in words is "five hundred thirty-one million, two hundred thirty thousand, one hundred twenty-five".