1052306540 has 24 divisors (see below), whose sum is σ = 2224681200. Its totient is φ = 418096448.

The previous prime is 1052306539. The next prime is 1052306561. The reversal of 1052306540 is 456032501.

It is a super-2 number, since 2×1052306540² = 2214698108253543200, which contains 22 as substring.

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, 173582 + ... + 179541.

It is an arithmetic number, because the mean of its divisors is an integer number (92695050).

Almost surely, 2^1052306540 is an apocalyptic number.

1052306540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1052306540 is an abundant number, since it is smaller than the sum of its proper divisors (1172374660).

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

1052306540 is a wasteful number, since it uses less digits than its factorization.

1052306540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353281 (or 353279 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1052306540 is about 32439.2746528032. The cubic root of 1052306540 is about 1017.1400534254.

The spelling of 1052306540 in words is "one billion, fifty-two million, three hundred six thousand, five hundred forty".