3551457252 has 24 divisors (see below), whose sum is σ = 9470552896. Its totient is φ = 1014702048.

The previous prime is 3551457251. The next prime is 3551457311. The reversal of 3551457252 is 2527541553.

It is a super-2 number, since 2×3551457252² = 25225697225566783008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3551457252.

It is not an unprimeable number, because it can be changed into a prime (3551457251) 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, 21139543 + ... + 21139710.

Almost surely, 2^3551457252 is an apocalyptic number.

It is an amenable number.

3551457252 is an abundant number, since it is smaller than the sum of its proper divisors (5919095644).

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

3551457252 is a wasteful number, since it uses less digits than its factorization.

3551457252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42279267 (or 42279265 counting only the distinct ones).

The product of its digits is 210000, while the sum is 39.

The square root of 3551457252 is about 59594.1041714698. The cubic root of 3551457252 is about 1525.6990079739.

The spelling of 3551457252 in words is "three billion, five hundred fifty-one million, four hundred fifty-seven thousand, two hundred fifty-two".