531263512 has 32 divisors (see below), whose sum is σ = 1077476400. Its totient is φ = 244116864.

The previous prime is 531263497. The next prime is 531263519. The reversal of 531263512 is 215362135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531263519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12663 + ... + 34969.

Almost surely, 2^531263512 is an apocalyptic number.

531263512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

531263512 is an abundant number, since it is smaller than the sum of its proper divisors (546212888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531263512 is a wasteful number, since it uses less digits than its factorization.

531263512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22555 (or 22551 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 531263512 is about 23049.1542578030. The cubic root of 531263512 is about 809.9098167137.

The spelling of 531263512 in words is "five hundred thirty-one million, two hundred sixty-three thousand, five hundred twelve".