1253326624 has 24 divisors (see below), whose sum is σ = 2691804528. Its totient is φ = 569693760.

The previous prime is 1253326541. The next prime is 1253326637. The reversal of 1253326624 is 4266233521.

It is a self number, because there is not a number n which added to its sum of digits gives 1253326624.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1779942 + ... + 1780645.

It is an arithmetic number, because the mean of its divisors is an integer number (112158522).

Almost surely, 2^1253326624 is an apocalyptic number.

It is an amenable number.

1253326624 is an abundant number, since it is smaller than the sum of its proper divisors (1438477904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253326624 is a wasteful number, since it uses less digits than its factorization.

1253326624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3560608 (or 3560600 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 1253326624 is about 35402.3533681025. The cubic root of 1253326624 is about 1078.1720977748.

The spelling of 1253326624 in words is "one billion, two hundred fifty-three million, three hundred twenty-six thousand, six hundred twenty-four".