621125241 has 32 divisors (see below), whose sum is σ = 928023936. Its totient is φ = 366336000.

The previous prime is 621125237. The next prime is 621125291. The reversal of 621125241 is 142521126.

621125241 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 621125241 - 2² = 621125237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (621125201) 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, 193671 + ... + 196851.

It is an arithmetic number, because the mean of its divisors is an integer number (29000748).

Almost surely, 2^621125241 is an apocalyptic number.

621125241 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

621125241 is a deficient number, since it is larger than the sum of its proper divisors (306898695).

621125241 is a wasteful number, since it uses less digits than its factorization.

621125241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353.

The product of its digits is 960, while the sum is 24.

The square root of 621125241 is about 24922.3843361746. The cubic root of 621125241 is about 853.2174441654.

Adding to 621125241 its reverse (142521126), we get a palindrome (763646367).

The spelling of 621125241 in words is "six hundred twenty-one million, one hundred twenty-five thousand, two hundred forty-one".