1253436352 has 28 divisors (see below), whose sum is σ = 2842615600. Its totient is φ = 537186816.

The previous prime is 1253436329. The next prime is 1253436391. The reversal of 1253436352 is 2536343521.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×1253436352² = 3142205377030135808, which contains 22 as substring.

It is a congruent number.

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, 1398477 + ... + 1399372.

Almost surely, 2^1253436352 is an apocalyptic number.

It is an amenable number.

1253436352 is an abundant number, since it is smaller than the sum of its proper divisors (1589179248).

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

1253436352 is an equidigital number, since it uses as much as digits as its factorization.

1253436352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2797868 (or 2797858 counting only the distinct ones).

The product of its digits is 64800, while the sum is 34.

The square root of 1253436352 is about 35403.9030616682. The cubic root of 1253436352 is about 1078.2035612984.

Adding to 1253436352 its reverse (2536343521), we get a palindrome (3789779873).

The spelling of 1253436352 in words is "one billion, two hundred fifty-three million, four hundred thirty-six thousand, three hundred fifty-two".