625435823 has 2 divisors, whose sum is σ = 625435824. Its totient is φ = 625435822.

The previous prime is 625435801. The next prime is 625435843. The reversal of 625435823 is 328534526.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625435823 - 2⁸ = 625435567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625435843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312717911 + 312717912.

It is an arithmetic number, because the mean of its divisors is an integer number (312717912).

Almost surely, 2^625435823 is an apocalyptic number.

625435823 is a deficient number, since it is larger than the sum of its proper divisors (1).

625435823 is an equidigital number, since it uses as much as digits as its factorization.

625435823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 38.

The square root of 625435823 is about 25008.7149409961. The cubic root of 625435823 is about 855.1866596556.

The spelling of 625435823 in words is "six hundred twenty-five million, four hundred thirty-five thousand, eight hundred twenty-three".