40965157 has 2 divisors, whose sum is σ = 40965158. Its totient is φ = 40965156.

The previous prime is 40965103. The next prime is 40965161. The reversal of 40965157 is 75156904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40947201 + 17956 = 6399^2 + 134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40965157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40963157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20482578 + 20482579.

It is an arithmetic number, because the mean of its divisors is an integer number (20482579).

Almost surely, 2^40965157 is an apocalyptic number.

It is an amenable number.

40965157 is a deficient number, since it is larger than the sum of its proper divisors (1).

40965157 is an equidigital number, since it uses as much as digits as its factorization.

40965157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 40965157 is about 6400.4028779445. The cubic root of 40965157 is about 344.7240164903.

The spelling of 40965157 in words is "forty million, nine hundred sixty-five thousand, one hundred fifty-seven".