906616925 has 6 divisors (see below), whose sum is σ = 1124205018. Its totient is φ = 725293520.

The previous prime is 906616903. The next prime is 906616927. The reversal of 906616925 is 529616609.

It can be written as a sum of positive squares in 3 ways, for example, as 252587449 + 654029476 = 15893^2 + 25574^2 .

It is not a de Polignac number, because 906616925 - 2²² = 902422621 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 (906616927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18132314 + ... + 18132363.

It is an arithmetic number, because the mean of its divisors is an integer number (187367503).

Almost surely, 2^906616925 is an apocalyptic number.

It is an amenable number.

906616925 is a deficient number, since it is larger than the sum of its proper divisors (217588093).

906616925 is a wasteful number, since it uses less digits than its factorization.

906616925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36264687 (or 36264682 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 906616925 is about 30110.0801227762. The cubic root of 906616925 is about 967.8497468022.

The spelling of 906616925 in words is "nine hundred six million, six hundred sixteen thousand, nine hundred twenty-five".