1009565952 has 36 divisors (see below), whose sum is σ = 2686919760. Its totient is φ = 336521728.

The previous prime is 1009565899. The next prime is 1009565989. The reversal of 1009565952 is 2595659001.

It is a super-2 number, since 2×1009565952² = 2038446822875332608, which contains 22 as substring.

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, 656502 + ... + 658037.

It is an arithmetic number, because the mean of its divisors is an integer number (74636660).

Almost surely, 2^1009565952 is an apocalyptic number.

1009565952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1009565952 is an abundant number, since it is smaller than the sum of its proper divisors (1677353808).

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

1009565952 is an equidigital number, since it uses as much as digits as its factorization.

1009565952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314558 (or 1314544 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 42.

The square root of 1009565952 is about 31773.6675881145. The cubic root of 1009565952 is about 1003.1785368657.

The spelling of 1009565952 in words is "one billion, nine million, five hundred sixty-five thousand, nine hundred fifty-two".