64925 has 18 divisors (see below), whose sum is σ = 95418. Its totient is φ = 43680.

The previous prime is 64921. The next prime is 64927. The reversal of 64925 is 52946.

64925 = T₂₅ + T₂₆ + ... + T₇₃.

It can be written as a sum of positive squares in 3 ways, for example, as 8281 + 56644 = 91^2 + 238^2 .

It is not a de Polignac number, because 64925 - 2² = 64921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64894 and 64903.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 64925.

It is not an unprimeable number, because it can be changed into a prime (64921) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1199 + ... + 1251.

It is an arithmetic number, because the mean of its divisors is an integer number (5301).

2⁶⁴⁹²⁵ is an apocalyptic number.

It is an amenable number.

64925 is a deficient number, since it is larger than the sum of its proper divisors (30493).

64925 is a wasteful number, since it uses less digits than its factorization.

64925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 65 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 64925 is about 254.8038461248. The cubic root of 64925 is about 40.1917873044.

It can be divided in two parts, 64 and 925, that added together give a palindrome (989).

The spelling of 64925 in words is "sixty-four thousand, nine hundred twenty-five".