1253550512 has 20 divisors (see below), whose sum is σ = 2459500320. Its totient is φ = 618840768.

The previous prime is 1253550451. The next prime is 1253550527. The reversal of 1253550512 is 2150553521.

It is a super-2 number, since 2×1253550512² = 3142777772270924288, 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, 494603 + ... + 497130.

It is an arithmetic number, because the mean of its divisors is an integer number (122975016).

Almost surely, 2^1253550512 is an apocalyptic number.

It is an amenable number.

1253550512 is a deficient number, since it is larger than the sum of its proper divisors (1205949808).

1253550512 is an equidigital number, since it uses as much as digits as its factorization.

1253550512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991820 (or 991814 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 1253550512 is about 35405.5152765780. The cubic root of 1253550512 is about 1078.2362937095.

The spelling of 1253550512 in words is "one billion, two hundred fifty-three million, five hundred fifty thousand, five hundred twelve".