625404535603 has 4 divisors (see below), whose sum is σ = 625417719480. Its totient is φ = 625391351728.

The previous prime is 625404535571. The next prime is 625404535643. The reversal of 625404535603 is 306535404526.

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 625404535603 - 2⁵ = 625404535571 is a prime.

It is a super-2 number, since 2×625404535603² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 625404535603.

It is not an unprimeable number, because it can be changed into a prime (625404535643) 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 3 ways as a sum of consecutive naturals, for example, 6520525 + ... + 6615742.

It is an arithmetic number, because the mean of its divisors is an integer number (156354429870).

Almost surely, 2^625404535603 is an apocalyptic number.

625404535603 is a deficient number, since it is larger than the sum of its proper divisors (13183877).

625404535603 is a wasteful number, since it uses less digits than its factorization.

625404535603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13183876.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 625404535603 in words is "six hundred twenty-five billion, four hundred four million, five hundred thirty-five thousand, six hundred three".