621110097 has 12 divisors (see below), whose sum is σ = 899305680. Its totient is φ = 413082648.

The previous prime is 621110089. The next prime is 621110099. The reversal of 621110097 is 790011126.

It is not a de Polignac number, because 621110097 - 2³ = 621110089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 621110097.

It is not an unprimeable number, because it can be changed into a prime (621110099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78583 + ... + 86124.

It is an arithmetic number, because the mean of its divisors is an integer number (74942140).

Almost surely, 2^621110097 is an apocalyptic number.

It is an amenable number.

621110097 is a deficient number, since it is larger than the sum of its proper divisors (278195583).

621110097 is a wasteful number, since it uses less digits than its factorization.

621110097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165132 (or 165129 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 621110097 is about 24922.0805110649. The cubic root of 621110097 is about 853.2105098526.

The spelling of 621110097 in words is "six hundred twenty-one million, one hundred ten thousand, ninety-seven".