1052791531 has 8 divisors (see below), whose sum is σ = 1159651584. Its totient is φ = 947790120.

The previous prime is 1052791517. The next prime is 1052791541. The reversal of 1052791531 is 1351972501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1052791531 - 2⁵ = 1052791499 is a prime.

It is a super-2 number, since 2×1052791531² = 2216740015490647922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052791541) 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, 463471 + ... + 465736.

It is an arithmetic number, because the mean of its divisors is an integer number (144956448).

Almost surely, 2^1052791531 is an apocalyptic number.

1052791531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1052791531 is a deficient number, since it is larger than the sum of its proper divisors (106860053).

1052791531 is a wasteful number, since it uses less digits than its factorization.

1052791531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929321.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 1052791531 is about 32446.7491591993. The cubic root of 1052791531 is about 1017.2962905379.

The spelling of 1052791531 in words is "one billion, fifty-two million, seven hundred ninety-one thousand, five hundred thirty-one".