412403921 has 2 divisors, whose sum is σ = 412403922. Its totient is φ = 412403920.

The previous prime is 412403909. The next prime is 412403933. The reversal of 412403921 is 129304214.

It is a balanced prime because it is at equal distance from previous prime (412403909) and next prime (412403933).

It can be written as a sum of positive squares in only one way, i.e., 408040000 + 4363921 = 20200^2 + 2089^2 .

It is a cyclic number.

It is not a de Polignac number, because 412403921 - 2⁶ = 412403857 is a prime.

It is not a weakly prime, because it can be changed into another prime (412403941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206201960 + 206201961.

It is an arithmetic number, because the mean of its divisors is an integer number (206201961).

Almost surely, 2^412403921 is an apocalyptic number.

It is an amenable number.

412403921 is a deficient number, since it is larger than the sum of its proper divisors (1).

412403921 is an equidigital number, since it uses as much as digits as its factorization.

412403921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 412403921 is about 20307.7305723707. The cubic root of 412403921 is about 744.3449768583.

The spelling of 412403921 in words is "four hundred twelve million, four hundred three thousand, nine hundred twenty-one".