412857961 has 2 divisors, whose sum is σ = 412857962. Its totient is φ = 412857960.

The previous prime is 412857941. The next prime is 412857967. The reversal of 412857961 is 169758214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377097561 + 35760400 = 19419^2 + 5980^2 .

It is a cyclic number.

It is not a de Polignac number, because 412857961 - 2⁹ = 412857449 is a prime.

It is a super-2 number, since 2×412857961² = 340903391922155042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (412857967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206428980 + 206428981.

It is an arithmetic number, because the mean of its divisors is an integer number (206428981).

Almost surely, 2^412857961 is an apocalyptic number.

It is an amenable number.

412857961 is a deficient number, since it is larger than the sum of its proper divisors (1).

412857961 is an equidigital number, since it uses as much as digits as its factorization.

412857961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The square root of 412857961 is about 20318.9064912460. The cubic root of 412857961 is about 744.6180412209.

The spelling of 412857961 in words is "four hundred twelve million, eight hundred fifty-seven thousand, nine hundred sixty-one".