412663081 has 2 divisors, whose sum is σ = 412663082. Its totient is φ = 412663080.

The previous prime is 412663067. The next prime is 412663091. The reversal of 412663081 is 180366214.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290361600 + 122301481 = 17040^2 + 11059^2 .

It is a cyclic number.

It is not a de Polignac number, because 412663081 - 2¹¹ = 412661033 is a prime.

It is a super-2 number, since 2×412663081² = 340581636840825122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (412663091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206331540 + 206331541.

It is an arithmetic number, because the mean of its divisors is an integer number (206331541).

Almost surely, 2^412663081 is an apocalyptic number.

It is an amenable number.

412663081 is a deficient number, since it is larger than the sum of its proper divisors (1).

412663081 is an equidigital number, since it uses as much as digits as its factorization.

412663081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 412663081 is about 20314.1103915480. The cubic root of 412663081 is about 744.5008629048.

The spelling of 412663081 in words is "four hundred twelve million, six hundred sixty-three thousand, eighty-one".