1252553235 has 32 divisors (see below), whose sum is σ = 2069971200. Its totient is φ = 646359168.

The previous prime is 1252553221. The next prime is 1252553257. The reversal of 1252553235 is 5323552521.

It is not a de Polignac number, because 1252553235 - 2⁴ = 1252553219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1252553196 and 1252553205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59941 + ... + 78089.

It is an arithmetic number, because the mean of its divisors is an integer number (64686600).

Almost surely, 2^1252553235 is an apocalyptic number.

1252553235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1252553235 is a deficient number, since it is larger than the sum of its proper divisors (817417965).

1252553235 is a wasteful number, since it uses less digits than its factorization.

1252553235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18307.

The product of its digits is 45000, while the sum is 33.

The square root of 1252553235 is about 35391.4288352420. The cubic root of 1252553235 is about 1077.9502832860.

The spelling of 1252553235 in words is "one billion, two hundred fifty-two million, five hundred fifty-three thousand, two hundred thirty-five".