625223290493 has 4 divisors (see below), whose sum is σ = 633137509440. Its totient is φ = 617309071548.

The previous prime is 625223290459. The next prime is 625223290511. The reversal of 625223290493 is 394092322526.

625223290493 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 625223290493 - 2¹² = 625223286397 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 (625223220493) 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, 3957109355 + ... + 3957109512.

It is an arithmetic number, because the mean of its divisors is an integer number (158284377360).

Almost surely, 2^625223290493 is an apocalyptic number.

It is an amenable number.

625223290493 is a deficient number, since it is larger than the sum of its proper divisors (7914218947).

625223290493 is an equidigital number, since it uses as much as digits as its factorization.

625223290493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7914218946.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 625223290493 in words is "six hundred twenty-five billion, two hundred twenty-three million, two hundred ninety thousand, four hundred ninety-three".