625427 has 4 divisors (see below), whose sum is σ = 682296. Its totient is φ = 568560.

The previous prime is 625409. The next prime is 625451. The reversal of 625427 is 724526.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 625427 - 2⁸ = 625171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 625396 and 625405.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625427.

It is not an unprimeable number, because it can be changed into a prime (625477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28418 + ... + 28439.

It is an arithmetic number, because the mean of its divisors is an integer number (170574).

2⁶²⁵⁴²⁷ is an apocalyptic number.

625427 is a deficient number, since it is larger than the sum of its proper divisors (56869).

625427 is a wasteful number, since it uses less digits than its factorization.

625427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56868.

The product of its digits is 3360, while the sum is 26.

The square root of 625427 is about 790.8394274440. The cubic root of 625427 is about 85.5182638275.

Subtracting 625427 from its reverse (724526), we obtain a palindrome (99099).

The spelling of 625427 in words is "six hundred twenty-five thousand, four hundred twenty-seven".