625648 has 10 divisors (see below), whose sum is σ = 1212224. Its totient is φ = 312816.

The previous prime is 625643. The next prime is 625657. The reversal of 625648 is 846526.

625648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625643) by changing a digit.

625648 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19536 + ... + 19567.

2⁶²⁵⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

625648 is a deficient number, since it is larger than the sum of its proper divisors (586576).

625648 is a wasteful number, since it uses less digits than its factorization.

625648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39111 (or 39105 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 625648 is about 790.9791400536. The cubic root of 625648 is about 85.5283355121.

The spelling of 625648 in words is "six hundred twenty-five thousand, six hundred forty-eight".