1253541512 has 32 divisors (see below), whose sum is σ = 2541611520. Its totient is φ = 577347840.

The previous prime is 1253541493. The next prime is 1253541539. The reversal of 1253541512 is 2151453521.

It is a super-2 number, since 2×1253541512² = 3142732644614492288, 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, 91664 + ... + 104447.

It is an arithmetic number, because the mean of its divisors is an integer number (79425360).

Almost surely, 2^1253541512 is an apocalyptic number.

It is an amenable number.

1253541512 is an abundant number, since it is smaller than the sum of its proper divisors (1288070008).

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

1253541512 is a wasteful number, since it uses less digits than its factorization.

1253541512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196181 (or 196177 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 1253541512 is about 35405.3881775077. The cubic root of 1253541512 is about 1078.2337132657.

The spelling of 1253541512 in words is "one billion, two hundred fifty-three million, five hundred forty-one thousand, five hundred twelve".