1252585958 has 32 divisors (see below), whose sum is σ = 2075673600. Its totient is φ = 563252256.

The previous prime is 1252585949. The next prime is 1252585979. The reversal of 1252585958 is 8595852521.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 534353 + ... + 536691.

It is an arithmetic number, because the mean of its divisors is an integer number (64864800).

Almost surely, 2^1252585958 is an apocalyptic number.

1252585958 is a deficient number, since it is larger than the sum of its proper divisors (823087642).

1252585958 is a wasteful number, since it uses less digits than its factorization.

1252585958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876.

The product of its digits is 1440000, while the sum is 50.

The square root of 1252585958 is about 35391.8911334221. The cubic root of 1252585958 is about 1077.9596703681.

The spelling of 1252585958 in words is "one billion, two hundred fifty-two million, five hundred eighty-five thousand, nine hundred fifty-eight".