40792517 has 2 divisors, whose sum is σ = 40792518. Its totient is φ = 40792516.

The previous prime is 40792447. The next prime is 40792523. The reversal of 40792517 is 71529704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39551521 + 1240996 = 6289^2 + 1114^2 .

It is a cyclic number.

It is not a de Polignac number, because 40792517 - 2⁸ = 40792261 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40792597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20396258 + 20396259.

It is an arithmetic number, because the mean of its divisors is an integer number (20396259).

Almost surely, 2^40792517 is an apocalyptic number.

It is an amenable number.

40792517 is a deficient number, since it is larger than the sum of its proper divisors (1).

40792517 is an equidigital number, since it uses as much as digits as its factorization.

40792517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 40792517 is about 6386.9019876619. The cubic root of 40792517 is about 344.2390763020.

The spelling of 40792517 in words is "forty million, seven hundred ninety-two thousand, five hundred seventeen".