1051657432 has 32 divisors (see below), whose sum is σ = 2261548800. Its totient is φ = 449110944.

The previous prime is 1051657357. The next prime is 1051657441. The reversal of 1051657432 is 2347561501.

It is a super-2 number, since 2×1051657432² = 2211966708561669248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17332 + ... + 49027.

It is an arithmetic number, because the mean of its divisors is an integer number (70673400).

Almost surely, 2^1051657432 is an apocalyptic number.

It is an amenable number.

1051657432 is an abundant number, since it is smaller than the sum of its proper divisors (1209891368).

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

1051657432 is a wasteful number, since it uses less digits than its factorization.

1051657432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66655 (or 66651 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1051657432 is about 32429.2681385196. The cubic root of 1051657432 is about 1016.9308718100.

The spelling of 1051657432 in words is "one billion, fifty-one million, six hundred fifty-seven thousand, four hundred thirty-two".