621053364 has 48 divisors (see below), whose sum is σ = 1491835968. Its totient is φ = 200997888.

The previous prime is 621053353. The next prime is 621053387. The reversal of 621053364 is 463350126.

It is a congruent number.

It is an unprimeable number.

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, 56659 + ... + 66725.

It is an arithmetic number, because the mean of its divisors is an integer number (31079916).

Almost surely, 2^621053364 is an apocalyptic number.

It is an amenable number.

621053364 is an abundant number, since it is smaller than the sum of its proper divisors (870782604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

621053364 is a wasteful number, since it uses less digits than its factorization.

621053364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10224 (or 10222 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 621053364 is about 24920.9422775304. The cubic root of 621053364 is about 853.1845312776.

It can be divided in two parts, 62 and 1053364, that added together give a triangular number (1053426 = T₁₄₅₁).

The spelling of 621053364 in words is "six hundred twenty-one million, fifty-three thousand, three hundred sixty-four".