621583053 has 64 divisors (see below), whose sum is σ = 1096704000. Its totient is φ = 303823872.

The previous prime is 621583051. The next prime is 621583063. The reversal of 621583053 is 350385126.

It is not a de Polignac number, because 621583053 - 2¹ = 621583051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621583051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 309948 + ... + 311946.

It is an arithmetic number, because the mean of its divisors is an integer number (17136000).

Almost surely, 2^621583053 is an apocalyptic number.

It is an amenable number.

621583053 is a deficient number, since it is larger than the sum of its proper divisors (475120947).

621583053 is a wasteful number, since it uses less digits than its factorization.

621583053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 621583053 is about 24931.5673995840. The cubic root of 621583053 is about 853.4270193194.

The spelling of 621583053 in words is "six hundred twenty-one million, five hundred eighty-three thousand, fifty-three".