625544012 has 12 divisors (see below), whose sum is σ = 1095374280. Its totient is φ = 312579936.

The previous prime is 625543993. The next prime is 625544027. The reversal of 625544012 is 210445526.

It is a super-2 number, since 2×625544012² = 782610621898112288, which contains 22 as substring.

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, 40562 + ... + 53817.

It is an arithmetic number, because the mean of its divisors is an integer number (91281190).

Almost surely, 2^625544012 is an apocalyptic number.

It is an amenable number.

625544012 is a deficient number, since it is larger than the sum of its proper divisors (469830268).

625544012 is a wasteful number, since it uses less digits than its factorization.

625544012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96040 (or 96038 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 625544012 is about 25010.8778734374. The cubic root of 625544012 is about 855.2359673819.

Adding to 625544012 its reverse (210445526), we get a palindrome (835989538).

It can be divided in two parts, 62554 and 4012, that added together give a palindrome (66566).

The spelling of 625544012 in words is "six hundred twenty-five million, five hundred forty-four thousand, twelve".