625698 has 16 divisors (see below), whose sum is σ = 1390560. Its totient is φ = 208548.

The previous prime is 625697. The next prime is 625699. The reversal of 625698 is 896526.

It is an interprime number because it is at equal distance from previous prime (625697) and next prime (625699).

It is a d-powerful number, because it can be written as 6⁶ + 2⁸ + 6⁶ + 5⁴ + 9⁶ + 8² .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625698.

It is not an unprimeable number, because it can be changed into a prime (625697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5740 + ... + 5847.

It is an arithmetic number, because the mean of its divisors is an integer number (86910).

2⁶²⁵⁶⁹⁸ is an apocalyptic number.

625698 is an abundant number, since it is smaller than the sum of its proper divisors (764862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625698 is a wasteful number, since it uses less digits than its factorization.

625698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11598 (or 11592 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 625698 is about 791.0107458183. The cubic root of 625698 is about 85.5306138448.

The spelling of 625698 in words is "six hundred twenty-five thousand, six hundred ninety-eight".