1253323524 has 96 divisors (see below), whose sum is σ = 3149798400. Its totient is φ = 386709120.

The previous prime is 1253323501. The next prime is 1253323531. The reversal of 1253323524 is 4253233521.

It is a junction number, because it is equal to n+sod(n) for n = 1253323491 and 1253323500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2249854 + ... + 2250410.

It is an arithmetic number, because the mean of its divisors is an integer number (32810400).

Almost surely, 2^1253323524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253323524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1574899200).

1253323524 is an abundant number, since it is smaller than the sum of its proper divisors (1896474876).

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

1253323524 is a wasteful number, since it uses less digits than its factorization.

1253323524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 791 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 1253323524 is about 35402.3095856753. The cubic root of 1253323524 is about 1078.1712088508.

The spelling of 1253323524 in words is "one billion, two hundred fifty-three million, three hundred twenty-three thousand, five hundred twenty-four".