625420 has 12 divisors (see below), whose sum is σ = 1313424. Its totient is φ = 250160.

The previous prime is 625409. The next prime is 625451. The reversal of 625420 is 24526.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15616 + ... + 15655.

It is an arithmetic number, because the mean of its divisors is an integer number (109452).

2⁶²⁵⁴²⁰ is an apocalyptic number.

It is an amenable number.

625420 is an abundant number, since it is smaller than the sum of its proper divisors (688004).

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

625420 is a wasteful number, since it uses less digits than its factorization.

625420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31280 (or 31278 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 625420 is about 790.8350017545. The cubic root of 625420 is about 85.5179447761.

Adding to 625420 its reverse (24526), we get a palindrome (649946).

The spelling of 625420 in words is "six hundred twenty-five thousand, four hundred twenty".