625966 has 16 divisors (see below), whose sum is σ = 1053360. Its totient is φ = 276480.

The previous prime is 625943. The next prime is 625969. The reversal of 625966 is 669526.

625966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 6³ + 2¹³ + 9⁶ + 5⁷ + 6³ + 6⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430 + ... + 1198.

It is an arithmetic number, because the mean of its divisors is an integer number (65835).

2⁶²⁵⁹⁶⁶ is an apocalyptic number.

625966 is a deficient number, since it is larger than the sum of its proper divisors (427394).

625966 is a wasteful number, since it uses less digits than its factorization.

625966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819.

The product of its digits is 19440, while the sum is 34.

The square root of 625966 is about 791.1801311964. The cubic root of 625966 is about 85.5428236397.

The spelling of 625966 in words is "six hundred twenty-five thousand, nine hundred sixty-six".