413016781 has 2 divisors, whose sum is σ = 413016782. Its totient is φ = 413016780.

The previous prime is 413016701. The next prime is 413016797. The reversal of 413016781 is 187610314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307441156 + 105575625 = 17534^2 + 10275^2 .

It is a cyclic number.

It is not a de Polignac number, because 413016781 - 2⁹ = 413016269 is a prime.

It is a super-2 number, since 2×413016781² = 341165722775203922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (413016701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206508390 + 206508391.

It is an arithmetic number, because the mean of its divisors is an integer number (206508391).

Almost surely, 2^413016781 is an apocalyptic number.

It is an amenable number.

413016781 is a deficient number, since it is larger than the sum of its proper divisors (1).

413016781 is an equidigital number, since it uses as much as digits as its factorization.

413016781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 413016781 is about 20322.8142982216. The cubic root of 413016781 is about 744.7135099515.

The spelling of 413016781 in words is "four hundred thirteen million, sixteen thousand, seven hundred eighty-one".