1252513513 has 8 divisors (see below), whose sum is σ = 1259832896. Its totient is φ = 1245207600.

The previous prime is 1252513511. The next prime is 1252513517. The reversal of 1252513513 is 3153152521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1252513513 - 2¹ = 1252513511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252513511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227908 + ... + 233338.

It is an arithmetic number, because the mean of its divisors is an integer number (157479112).

Almost surely, 2^1252513513 is an apocalyptic number.

It is an amenable number.

1252513513 is a deficient number, since it is larger than the sum of its proper divisors (7319383).

1252513513 is a wasteful number, since it uses less digits than its factorization.

1252513513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6735.

The product of its digits is 4500, while the sum is 28.

The square root of 1252513513 is about 35390.8676497200. The cubic root of 1252513513 is about 1077.9388882164.

The spelling of 1252513513 in words is "one billion, two hundred fifty-two million, five hundred thirteen thousand, five hundred thirteen".