625021823 has 2 divisors, whose sum is σ = 625021824. Its totient is φ = 625021822.

The previous prime is 625021763. The next prime is 625021841. The reversal of 625021823 is 328120526.

625021823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625021823 - 2¹⁴ = 625005439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625021843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312510911 + 312510912.

It is an arithmetic number, because the mean of its divisors is an integer number (312510912).

Almost surely, 2^625021823 is an apocalyptic number.

625021823 is a deficient number, since it is larger than the sum of its proper divisors (1).

625021823 is an equidigital number, since it uses as much as digits as its factorization.

625021823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 625021823 is about 25000.4364561901. The cubic root of 625021823 is about 854.9979243706.

The spelling of 625021823 in words is "six hundred twenty-five million, twenty-one thousand, eight hundred twenty-three".