1252553131 has 8 divisors (see below), whose sum is σ = 1319184720. Its totient is φ = 1185992352.

The previous prime is 1252553129. The next prime is 1252553147. The reversal of 1252553131 is 1313552521.

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 1252553131 - 2¹ = 1252553129 is a prime.

It is a super-2 number, since 2×1252553131² = 3137778691955806322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252553131.

It is not an unprimeable number, because it can be changed into a prime (1252553161) 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, 20781 + ... + 54193.

It is an arithmetic number, because the mean of its divisors is an integer number (164898090).

Almost surely, 2^1252553131 is an apocalyptic number.

1252553131 is a deficient number, since it is larger than the sum of its proper divisors (66631589).

1252553131 is a wasteful number, since it uses less digits than its factorization.

1252553131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35405.

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

The square root of 1252553131 is about 35391.4273659597. The cubic root of 1252553131 is about 1077.9502534518.

It can be divided in two parts, 12525 and 53131, that added together give a palindrome (65656).

The spelling of 1252553131 in words is "one billion, two hundred fifty-two million, five hundred fifty-three thousand, one hundred thirty-one".