654064825 has 12 divisors (see below), whose sum is σ = 813226348. Its totient is φ = 521841600.

The previous prime is 654064813. The next prime is 654064837. The reversal of 654064825 is 528460456.

It is an interprime number because it is at equal distance from previous prime (654064813) and next prime (654064837).

It can be written as a sum of positive squares in 6 ways, for example, as 137641 + 653927184 = 371^2 + 25572^2 .

It is not a de Polignac number, because 654064825 - 2²⁹ = 117193913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25746 + ... + 44395.

Almost surely, 2^654064825 is an apocalyptic number.

It is an amenable number.

654064825 is a deficient number, since it is larger than the sum of its proper divisors (159161523).

654064825 is a wasteful number, since it uses less digits than its factorization.

654064825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70524 (or 70519 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 654064825 is about 25574.6911027289. The cubic root of 654064825 is about 868.0410519670.

The spelling of 654064825 in words is "six hundred fifty-four million, sixty-four thousand, eight hundred twenty-five".