5149512252 has 96 divisors (see below), whose sum is σ = 13873708800. Its totient is φ = 1649785536.

The previous prime is 5149512229. The next prime is 5149512283. The reversal of 5149512252 is 2522159415.

5149512252 is a `hidden beast` number, since 51 + 49 + 512 + 2 + 52 = 666.

It is a super-2 number, since 2×5149512252² = 53034952866996223008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 707343 + ... + 714585.

It is an arithmetic number, because the mean of its divisors is an integer number (144517800).

Almost surely, 2^5149512252 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 5149512252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6936854400).

5149512252 is an abundant number, since it is smaller than the sum of its proper divisors (8724196548).

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

5149512252 is a wasteful number, since it uses less digits than its factorization.

5149512252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7512 (or 7504 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 5149512252 is about 71760.1020902284. The cubic root of 5149512252 is about 1726.8529834940.

The spelling of 5149512252 in words is "five billion, one hundred forty-nine million, five hundred twelve thousand, two hundred fifty-two".