531242436 has 12 divisors (see below), whose sum is σ = 1239565712. Its totient is φ = 177080808.

The previous prime is 531242417. The next prime is 531242449. The reversal of 531242436 is 634242135.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22135090 + ... + 22135113.

Almost surely, 2^531242436 is an apocalyptic number.

It is an amenable number.

531242436 is an abundant number, since it is smaller than the sum of its proper divisors (708323276).

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

531242436 is a wasteful number, since it uses less digits than its factorization.

531242436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44270210 (or 44270208 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 531242436 is about 23048.6970564499. The cubic root of 531242436 is about 809.8991064700.

The spelling of 531242436 in words is "five hundred thirty-one million, two hundred forty-two thousand, four hundred thirty-six".