620465959 has 2 divisors, whose sum is σ = 620465960. Its totient is φ = 620465958.

The previous prime is 620465887. The next prime is 620465969. The reversal of 620465959 is 959564026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620465959 - 2¹³ = 620457767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620465969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310232979 + 310232980.

It is an arithmetic number, because the mean of its divisors is an integer number (310232980).

Almost surely, 2^620465959 is an apocalyptic number.

620465959 is a deficient number, since it is larger than the sum of its proper divisors (1).

620465959 is an equidigital number, since it uses as much as digits as its factorization.

620465959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 46.

The square root of 620465959 is about 24909.1541205236. The cubic root of 620465959 is about 852.9154599569.

The spelling of 620465959 in words is "six hundred twenty million, four hundred sixty-five thousand, nine hundred fifty-nine".