621060001 has 4 divisors (see below), whose sum is σ = 628921600. Its totient is φ = 613198404.

The previous prime is 621059987. The next prime is 621060023. The reversal of 621060001 is 100060126.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 621060001 - 2⁹ = 621059489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (621060061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3930681 + ... + 3930838.

It is an arithmetic number, because the mean of its divisors is an integer number (157230400).

Almost surely, 2^621060001 is an apocalyptic number.

It is an amenable number.

621060001 is a deficient number, since it is larger than the sum of its proper divisors (7861599).

621060001 is an equidigital number, since it uses as much as digits as its factorization.

621060001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7861598.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 621060001 is about 24921.0754382711. The cubic root of 621060001 is about 853.1875705042.

The spelling of 621060001 in words is "six hundred twenty-one million, sixty thousand, one".