40936537 has 2 divisors, whose sum is σ = 40936538. Its totient is φ = 40936536.

The previous prime is 40936453. The next prime is 40936549. The reversal of 40936537 is 73563904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36048016 + 4888521 = 6004^2 + 2211^2 .

It is a cyclic number.

It is not a de Polignac number, because 40936537 - 2¹¹ = 40934489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40936496 and 40936505.

It is not a weakly prime, because it can be changed into another prime (40936237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20468268 + 20468269.

It is an arithmetic number, because the mean of its divisors is an integer number (20468269).

Almost surely, 2^40936537 is an apocalyptic number.

It is an amenable number.

40936537 is a deficient number, since it is larger than the sum of its proper divisors (1).

40936537 is an equidigital number, since it uses as much as digits as its factorization.

40936537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 40936537 is about 6398.1666905450. The cubic root of 40936537 is about 344.6437181704.

The spelling of 40936537 in words is "forty million, nine hundred thirty-six thousand, five hundred thirty-seven".