5625522612 has 18 divisors (see below), whose sum is σ = 14220071138. Its totient is φ = 1875174192.

The previous prime is 5625522607. The next prime is 5625522653. The reversal of 5625522612 is 2162255265.

5625522612 is a `hidden beast` number, since 5 + 625 + 5 + 2 + 26 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4515033636 + 1110488976 = 67194^2 + 33324^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 156264517 = 5625522612 / (5 + 6 + 2 + 5 + 5 + 2 + 2 + 6 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78132223 + ... + 78132294.

Almost surely, 2^5625522612 is an apocalyptic number.

It is an amenable number.

5625522612 is an abundant number, since it is smaller than the sum of its proper divisors (8594548526).

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

5625522612 is a wasteful number, since it uses less digits than its factorization.

5625522612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156264527 (or 156264522 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 5625522612 is about 75003.4839990783. The cubic root of 5625522612 is about 1778.5017283208.

Adding to 5625522612 its reverse (2162255265), we get a palindrome (7787777877).

The spelling of 5625522612 in words is "five billion, six hundred twenty-five million, five hundred twenty-two thousand, six hundred twelve".