413594981 has 2 divisors, whose sum is σ = 413594982. Its totient is φ = 413594980.

The previous prime is 413594969. The next prime is 413595019. The reversal of 413594981 is 189495314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338928100 + 74666881 = 18410^2 + 8641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-413594981 is a prime.

It is a super-2 number, since 2×413594981² = 342121616616780722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413590981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206797490 + 206797491.

It is an arithmetic number, because the mean of its divisors is an integer number (206797491).

Almost surely, 2^413594981 is an apocalyptic number.

It is an amenable number.

413594981 is a deficient number, since it is larger than the sum of its proper divisors (1).

413594981 is an equidigital number, since it uses as much as digits as its factorization.

413594981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 44.

The square root of 413594981 is about 20337.0347150218. The cubic root of 413594981 is about 745.0608667595.

The spelling of 413594981 in words is "four hundred thirteen million, five hundred ninety-four thousand, nine hundred eighty-one".