628154725 has 48 divisors (see below), whose sum is σ = 933511680. Its totient is φ = 413899200.

The previous prime is 628154717. The next prime is 628154741. The reversal of 628154725 is 527451826.

It is not a de Polignac number, because 628154725 - 2³ = 628154717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117562 + ... + 122788.

It is an arithmetic number, because the mean of its divisors is an integer number (19448160).

Almost surely, 2^628154725 is an apocalyptic number.

It is an amenable number.

628154725 is a deficient number, since it is larger than the sum of its proper divisors (305356955).

628154725 is a wasteful number, since it uses less digits than its factorization.

628154725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290 (or 5285 counting only the distinct ones).

The product of its digits is 134400, while the sum is 40.

The square root of 628154725 is about 25063.0150819888. The cubic root of 628154725 is about 856.4240941048.

The spelling of 628154725 in words is "six hundred twenty-eight million, one hundred fifty-four thousand, seven hundred twenty-five".