1252835879539 has 8 divisors (see below), whose sum is σ = 1265627334240. Its totient is φ = 1240052016000.

The previous prime is 1252835879509. The next prime is 1252835879563. The reversal of 1252835879539 is 9359785382521.

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 1252835879539 - 2⁵ = 1252835879507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252835879509) 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, 1565734 + ... + 2226475.

It is an arithmetic number, because the mean of its divisors is an integer number (158203416780).

Almost surely, 2^{1252835879539} is an apocalyptic number.

1252835879539 is a deficient number, since it is larger than the sum of its proper divisors (12791454701).

1252835879539 is a wasteful number, since it uses less digits than its factorization.

1252835879539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3795581.

The product of its digits is 163296000, while the sum is 67.

The spelling of 1252835879539 in words is "one trillion, two hundred fifty-two billion, eight hundred thirty-five million, eight hundred seventy-nine thousand, five hundred thirty-nine".