531636252 has 48 divisors (see below), whose sum is σ = 1428548352. Its totient is φ = 150733440.

The previous prime is 531636229. The next prime is 531636253. The reversal of 531636252 is 252636135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531636253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13153 + ... + 35160.

It is an arithmetic number, because the mean of its divisors is an integer number (29761424).

Almost surely, 2^531636252 is an apocalyptic number.

It is an amenable number.

531636252 is an abundant number, since it is smaller than the sum of its proper divisors (896912100).

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

531636252 is a wasteful number, since it uses less digits than its factorization.

531636252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48458 (or 48456 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 531636252 is about 23057.2386030938. The cubic root of 531636252 is about 810.0991861469.

The spelling of 531636252 in words is "five hundred thirty-one million, six hundred thirty-six thousand, two hundred fifty-two".