620474039 has 2 divisors, whose sum is σ = 620474040. Its totient is φ = 620474038.

The previous prime is 620474017. The next prime is 620474077. The reversal of 620474039 is 930474026.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620474039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620471039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310237019 + 310237020.

It is an arithmetic number, because the mean of its divisors is an integer number (310237020).

Almost surely, 2^620474039 is an apocalyptic number.

620474039 is a deficient number, since it is larger than the sum of its proper divisors (1).

620474039 is an equidigital number, since it uses as much as digits as its factorization.

620474039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 620474039 is about 24909.3163093651. The cubic root of 620474039 is about 852.9191622965.

The spelling of 620474039 in words is "six hundred twenty million, four hundred seventy-four thousand, thirty-nine".