620453303 has 16 divisors (see below), whose sum is σ = 667336320. Its totient is φ = 575132256.

The previous prime is 620453297. The next prime is 620453363. The reversal of 620453303 is 303354026.

It is a cyclic number.

It is not a de Polignac number, because 620453303 - 2⁸ = 620453047 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 (620453363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166901 + ... + 170577.

It is an arithmetic number, because the mean of its divisors is an integer number (41708520).

Almost surely, 2^620453303 is an apocalyptic number.

620453303 is a deficient number, since it is larger than the sum of its proper divisors (46883017).

620453303 is a wasteful number, since it uses less digits than its factorization.

620453303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 620453303 is about 24908.9000760772. The cubic root of 620453303 is about 852.9096607822.

The spelling of 620453303 in words is "six hundred twenty million, four hundred fifty-three thousand, three hundred three".