1253538472 has 32 divisors (see below), whose sum is σ = 2377473120. Its totient is φ = 619566400.

The previous prime is 1253538467. The next prime is 1253538497. The reversal of 1253538472 is 2748353521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958443 + ... + 959749.

It is an arithmetic number, because the mean of its divisors is an integer number (74296035).

Almost surely, 2^1253538472 is an apocalyptic number.

It is an amenable number.

1253538472 is a deficient number, since it is larger than the sum of its proper divisors (1123934648).

1253538472 is a wasteful number, since it uses less digits than its factorization.

1253538472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601 (or 2597 counting only the distinct ones).

The product of its digits is 201600, while the sum is 40.

The square root of 1253538472 is about 35405.3452461630. The cubic root of 1253538472 is about 1078.2328416464.

The spelling of 1253538472 in words is "one billion, two hundred fifty-three million, five hundred thirty-eight thousand, four hundred seventy-two".