412619621 has 2 divisors, whose sum is σ = 412619622. Its totient is φ = 412619620.

The previous prime is 412619617. The next prime is 412619629. The reversal of 412619621 is 126916214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318801025 + 93818596 = 17855^2 + 9686^2 .

It is a cyclic number.

It is not a de Polignac number, because 412619621 - 2² = 412619617 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412619629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206309810 + 206309811.

It is an arithmetic number, because the mean of its divisors is an integer number (206309811).

Almost surely, 2^412619621 is an apocalyptic number.

It is an amenable number.

412619621 is a deficient number, since it is larger than the sum of its proper divisors (1).

412619621 is an equidigital number, since it uses as much as digits as its factorization.

412619621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 412619621 is about 20313.0406635737. The cubic root of 412619621 is about 744.4747260514.

The spelling of 412619621 in words is "four hundred twelve million, six hundred nineteen thousand, six hundred twenty-one".