65522525 has 6 divisors (see below), whose sum is σ = 81247962. Its totient is φ = 52418000.

The previous prime is 65522489. The next prime is 65522531. The reversal of 65522525 is 52522556.

It can be written as a sum of positive squares in 3 ways, for example, as 139129 + 65383396 = 373^2 + 8086^2 .

It is not a de Polignac number, because 65522525 - 2⁶ = 65522461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 65522491 and 65522500.

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, 1310426 + ... + 1310475.

It is an arithmetic number, because the mean of its divisors is an integer number (13541327).

Almost surely, 2^65522525 is an apocalyptic number.

It is an amenable number.

65522525 is a deficient number, since it is larger than the sum of its proper divisors (15725437).

65522525 is a wasteful number, since it uses less digits than its factorization.

65522525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620911 (or 2620906 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 65522525 is about 8094.5985076469. The cubic root of 65522525 is about 403.1471015265.

The spelling of 65522525 in words is "sixty-five million, five hundred twenty-two thousand, five hundred twenty-five".