628054597 has 4 divisors (see below), whose sum is σ = 638350636. Its totient is φ = 617758560.

The previous prime is 628054589. The next prime is 628054607. The reversal of 628054597 is 795450826.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 116661601 + 511392996 = 10801^2 + 22614^2 .

It is a cyclic number.

It is not a de Polignac number, because 628054597 - 2³ = 628054589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628024597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5147928 + ... + 5148049.

It is an arithmetic number, because the mean of its divisors is an integer number (159587659).

Almost surely, 2^628054597 is an apocalyptic number.

It is an amenable number.

628054597 is a deficient number, since it is larger than the sum of its proper divisors (10296039).

628054597 is a wasteful number, since it uses less digits than its factorization.

628054597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10296038.

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 628054597 is about 25061.0174773492. The cubic root of 628054597 is about 856.3785869577.

The spelling of 628054597 in words is "six hundred twenty-eight million, fifty-four thousand, five hundred ninety-seven".