621062013 has 32 divisors (see below), whose sum is σ = 979155072. Its totient is φ = 345196800.

The previous prime is 621062009. The next prime is 621062023. The reversal of 621062013 is 310260126.

It is a happy number.

621062013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 621062013 - 2² = 621062009 is a prime.

It is a super-2 number, since 2×621062013² = 771436047983224338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621062023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62743 + ... + 71963.

It is an arithmetic number, because the mean of its divisors is an integer number (30598596).

Almost surely, 2^621062013 is an apocalyptic number.

It is an amenable number.

621062013 is a deficient number, since it is larger than the sum of its proper divisors (358093059).

621062013 is a wasteful number, since it uses less digits than its factorization.

621062013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9405.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 621062013 is about 24921.1158056777. The cubic root of 621062013 is about 853.1884918384.

The spelling of 621062013 in words is "six hundred twenty-one million, sixty-two thousand, thirteen".