621151941 has 16 divisors (see below), whose sum is σ = 848332800. Its totient is φ = 404137968.

The previous prime is 621151907. The next prime is 621151987. The reversal of 621151941 is 149151126.

It is not a de Polignac number, because 621151941 - 2⁶ = 621151877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 621151899 and 621151908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621151901) 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, 11980 + ... + 37226.

It is an arithmetic number, because the mean of its divisors is an integer number (53020800).

Almost surely, 2^621151941 is an apocalyptic number.

It is an amenable number.

621151941 is a deficient number, since it is larger than the sum of its proper divisors (227180859).

621151941 is a wasteful number, since it uses less digits than its factorization.

621151941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25448.

The product of its digits is 2160, while the sum is 30.

The square root of 621151941 is about 24922.9199934518. The cubic root of 621151941 is about 853.2296696007.

The spelling of 621151941 in words is "six hundred twenty-one million, one hundred fifty-one thousand, nine hundred forty-one".