625983 has 16 divisors (see below), whose sum is σ = 884736. Its totient is φ = 393120.

The previous prime is 625979. The next prime is 625997. The reversal of 625983 is 389526.

It is a happy number.

It is not a de Polignac number, because 625983 - 2² = 625979 is a prime.

625983 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4866 + ... + 4992.

It is an arithmetic number, because the mean of its divisors is an integer number (55296).

2⁶²⁵⁹⁸³ is an apocalyptic number.

625983 is a deficient number, since it is larger than the sum of its proper divisors (258753).

625983 is a wasteful number, since it uses less digits than its factorization.

625983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214.

The product of its digits is 12960, while the sum is 33.

The square root of 625983 is about 791.1908745682. The cubic root of 625983 is about 85.5435980240.

The spelling of 625983 in words is "six hundred twenty-five thousand, nine hundred eighty-three".