621065354 has 32 divisors (see below), whose sum is σ = 1147843200. Its totient is φ = 245426112.

The previous prime is 621065327. The next prime is 621065359. The reversal of 621065354 is 453560126.

It is a self number, because there is not a number n which added to its sum of digits gives 621065354.

It is not an unprimeable number, because it can be changed into a prime (621065359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280817 + ... + 283019.

It is an arithmetic number, because the mean of its divisors is an integer number (35870100).

Almost surely, 2^621065354 is an apocalyptic number.

621065354 is a deficient number, since it is larger than the sum of its proper divisors (526777846).

621065354 is a wasteful number, since it uses less digits than its factorization.

621065354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3774.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 621065354 is about 24921.1828370966. The cubic root of 621065354 is about 853.1900217434.

The spelling of 621065354 in words is "six hundred twenty-one million, sixty-five thousand, three hundred fifty-four".