65710025 has 6 divisors (see below), whose sum is σ = 81480462. Its totient is φ = 52568000.

The previous prime is 65710019. The next prime is 65710033. The reversal of 65710025 is 52001756.

It can be written as a sum of positive squares in 3 ways, for example, as 1373584 + 64336441 = 1172^2 + 8021^2 .

It is not a de Polignac number, because 65710025 - 2⁴ = 65710009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65709976 and 65710003.

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, 1314176 + ... + 1314225.

It is an arithmetic number, because the mean of its divisors is an integer number (13580077).

Almost surely, 2^65710025 is an apocalyptic number.

It is an amenable number.

65710025 is a deficient number, since it is larger than the sum of its proper divisors (15770437).

65710025 is a wasteful number, since it uses less digits than its factorization.

65710025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628411 (or 2628406 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 65710025 is about 8106.1720312364. The cubic root of 65710025 is about 403.5312854022.

The spelling of 65710025 in words is "sixty-five million, seven hundred ten thousand, twenty-five".