625470 has 16 divisors (see below), whose sum is σ = 1501200. Its totient is φ = 166784.

The previous prime is 625451. The next prime is 625477. The reversal of 625470 is 74526.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 625470.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625470.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10395 + ... + 10454.

It is an arithmetic number, because the mean of its divisors is an integer number (93825).

2⁶²⁵⁴⁷⁰ is an apocalyptic number.

625470 is an abundant number, since it is smaller than the sum of its proper divisors (875730).

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

625470 is a wasteful number, since it uses less digits than its factorization.

625470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20859.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 625470 is about 790.8666132794. The cubic root of 625470 is about 85.5202236624.

Adding to 625470 its reverse (74526), we get a palindrome (699996).

The spelling of 625470 in words is "six hundred twenty-five thousand, four hundred seventy".