654150725 has 6 divisors (see below), whose sum is σ = 811146930. Its totient is φ = 523320560.

The previous prime is 654150697. The next prime is 654150779. The reversal of 654150725 is 527051456.

It can be written as a sum of positive squares in 3 ways, for example, as 77334436 + 576816289 = 8794^2 + 24017^2 .

It is not a de Polignac number, because 654150725 - 2²² = 649956421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13082990 + ... + 13083039.

It is an arithmetic number, because the mean of its divisors is an integer number (135191155).

Almost surely, 2^654150725 is an apocalyptic number.

It is an amenable number.

654150725 is a deficient number, since it is larger than the sum of its proper divisors (156996205).

654150725 is a wasteful number, since it uses less digits than its factorization.

654150725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26166039 (or 26166034 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 654150725 is about 25576.3704422656. The cubic root of 654150725 is about 868.0790509846.

The spelling of 654150725 in words is "six hundred fifty-four million, one hundred fifty thousand, seven hundred twenty-five".