40562917 has 2 divisors, whose sum is σ = 40562918. Its totient is φ = 40562916.

The previous prime is 40562903. The next prime is 40562923. The reversal of 40562917 is 71926504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37957921 + 2604996 = 6161^2 + 1614^2 .

It is a cyclic number.

It is not a de Polignac number, because 40562917 - 2⁷ = 40562789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40562947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20281458 + 20281459.

It is an arithmetic number, because the mean of its divisors is an integer number (20281459).

Almost surely, 2^40562917 is an apocalyptic number.

It is an amenable number.

40562917 is a deficient number, since it is larger than the sum of its proper divisors (1).

40562917 is an equidigital number, since it uses as much as digits as its factorization.

40562917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 40562917 is about 6368.9023387080. The cubic root of 40562917 is about 343.5920128219.

The spelling of 40562917 in words is "forty million, five hundred sixty-two thousand, nine hundred seventeen".