531051432 has 16 divisors (see below), whose sum is σ = 1327628640. Its totient is φ = 177017136.

The previous prime is 531051431. The next prime is 531051473. The reversal of 531051432 is 234150135.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 22127143 = 531051432 / (5 + 3 + 1 + 0 + 5 + 1 + 4 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (531051431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11063548 + ... + 11063595.

It is an arithmetic number, because the mean of its divisors is an integer number (82976790).

Almost surely, 2^531051432 is an apocalyptic number.

It is an amenable number.

531051432 is an abundant number, since it is smaller than the sum of its proper divisors (796577208).

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

531051432 is a wasteful number, since it uses less digits than its factorization.

531051432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22127152 (or 22127148 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 531051432 is about 23044.5531959290. The cubic root of 531051432 is about 809.8020305703.

The spelling of 531051432 in words is "five hundred thirty-one million, fifty-one thousand, four hundred thirty-two".