531424488925 has 54 divisors (see below), whose sum is σ = 744236124954. Its totient is φ = 375872270400.

The previous prime is 531424488913. The next prime is 531424488937. The reversal of 531424488925 is 529884424135.

It is an interprime number because it is at equal distance from previous prime (531424488913) and next prime (531424488937).

It can be written as a sum of positive squares in 3 ways, for example, as 112604540356 + 418819948569 = 335566^2 + 647163^2 .

It is not a de Polignac number, because 531424488925 - 2¹³ = 531424480733 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 243883486 + ... + 243885664.

Almost surely, 2^531424488925 is an apocalyptic number.

531424488925 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

531424488925 is a deficient number, since it is larger than the sum of its proper divisors (212811636029).

531424488925 is an equidigital number, since it uses as much as digits as its factorization.

531424488925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427 (or 2232 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 55.

The spelling of 531424488925 in words is "five hundred thirty-one billion, four hundred twenty-four million, four hundred eighty-eight thousand, nine hundred twenty-five".