412550581 has 2 divisors, whose sum is σ = 412550582. Its totient is φ = 412550580.

The previous prime is 412550533. The next prime is 412550639. The reversal of 412550581 is 185055214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284091025 + 128459556 = 16855^2 + 11334^2 .

It is a cyclic number.

It is not a de Polignac number, because 412550581 - 2⁹ = 412550069 is a prime.

It is a super-2 number, since 2×412550581² = 340395963766875122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412550981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206275290 + 206275291.

It is an arithmetic number, because the mean of its divisors is an integer number (206275291).

Almost surely, 2^412550581 is an apocalyptic number.

It is an amenable number.

412550581 is a deficient number, since it is larger than the sum of its proper divisors (1).

412550581 is an equidigital number, since it uses as much as digits as its factorization.

412550581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 412550581 is about 20311.3411915609. The cubic root of 412550581 is about 744.4332016066.

The spelling of 412550581 in words is "four hundred twelve million, five hundred fifty thousand, five hundred eighty-one".