628525412 has 12 divisors (see below), whose sum is σ = 1101413040. Its totient is φ = 313835976.

The previous prime is 628525409. The next prime is 628525421. The reversal of 628525412 is 214525826.

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, 103358 + ... + 109269.

It is an arithmetic number, because the mean of its divisors is an integer number (91784420).

Almost surely, 2^628525412 is an apocalyptic number.

It is an amenable number.

628525412 is a deficient number, since it is larger than the sum of its proper divisors (472887628).

628525412 is a wasteful number, since it uses less digits than its factorization.

628525412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213370 (or 213368 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 628525412 is about 25070.4090911975. The cubic root of 628525412 is about 856.5925254580.

The spelling of 628525412 in words is "six hundred twenty-eight million, five hundred twenty-five thousand, four hundred twelve".