625880111 has 4 divisors (see below), whose sum is σ = 646069824. Its totient is φ = 605690400.

The previous prime is 625880089. The next prime is 625880239. The reversal of 625880111 is 111088526.

625880111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-625880111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625880711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10094810 + ... + 10094871.

It is an arithmetic number, because the mean of its divisors is an integer number (161517456).

Almost surely, 2^625880111 is an apocalyptic number.

625880111 is a deficient number, since it is larger than the sum of its proper divisors (20189713).

625880111 is a wasteful number, since it uses less digits than its factorization.

625880111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20189712.

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 625880111 is about 25017.5960275963. The cubic root of 625880111 is about 855.3891100774.

The spelling of 625880111 in words is "six hundred twenty-five million, eight hundred eighty thousand, one hundred eleven".