625604221233 has 12 divisors (see below), whose sum is σ = 903658399488. Its totient is φ = 417065854200.

The previous prime is 625604221223. The next prime is 625604221271. The reversal of 625604221233 is 332122406526.

625604221233 is a `hidden beast` number, since 6 + 2 + 5 + 604 + 2 + 2 + 12 + 33 = 666.

It is not a de Polignac number, because 625604221233 - 2⁶ = 625604221169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (625604221223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1165408 + ... + 1615358.

It is an arithmetic number, because the mean of its divisors is an integer number (75304866624).

Almost surely, 2^625604221233 is an apocalyptic number.

It is an amenable number.

625604221233 is a deficient number, since it is larger than the sum of its proper divisors (278054178255).

625604221233 is a wasteful number, since it uses less digits than its factorization.

625604221233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604444 (or 604441 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 625604221233 its reverse (332122406526), we get a palindrome (957726627759).

The spelling of 625604221233 in words is "six hundred twenty-five billion, six hundred four million, two hundred twenty-one thousand, two hundred thirty-three".