625412 has 6 divisors (see below), whose sum is σ = 1094478. Its totient is φ = 312704.

The previous prime is 625409. The next prime is 625451. The reversal of 625412 is 214526.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 329476 + 295936 = 574^2 + 544^2 .

It is a super-2 number, since 2×625412² = 782280339488, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625412.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 78173 + ... + 78180.

It is an arithmetic number, because the mean of its divisors is an integer number (182413).

2⁶²⁵⁴¹² is an apocalyptic number.

It is an amenable number.

625412 is a deficient number, since it is larger than the sum of its proper divisors (469066).

625412 is a wasteful number, since it uses less digits than its factorization.

625412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156357 (or 156355 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 625412 is about 790.8299437932. The cubic root of 625412 is about 85.5175801430.

Adding to 625412 its reverse (214526), we get a palindrome (839938).

The spelling of 625412 in words is "six hundred twenty-five thousand, four hundred twelve".