5665925 has 6 divisors (see below), whose sum is σ = 7025778. Its totient is φ = 4532720.

The previous prime is 5665903. The next prime is 5665937. The reversal of 5665925 is 5295665.

It can be written as a sum of positive squares in 3 ways, for example, as 124609 + 5541316 = 353^2 + 2354^2 .

It is not a de Polignac number, because 5665925 - 2²² = 1471621 is a prime.

It is a super-2 number, since 2×5665925² = 64205412211250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113294 + ... + 113343.

It is an arithmetic number, because the mean of its divisors is an integer number (1170963).

Almost surely, 2^5665925 is an apocalyptic number.

It is an amenable number.

5665925 is a deficient number, since it is larger than the sum of its proper divisors (1359853).

5665925 is a wasteful number, since it uses less digits than its factorization.

5665925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226647 (or 226642 counting only the distinct ones).

The product of its digits is 81000, while the sum is 38.

The square root of 5665925 is about 2380.3203565907. The cubic root of 5665925 is about 178.2749296818.

The spelling of 5665925 in words is "five million, six hundred sixty-five thousand, nine hundred twenty-five".