40495597 has 2 divisors, whose sum is σ = 40495598. Its totient is φ = 40495596.

The previous prime is 40495573. The next prime is 40495607. The reversal of 40495597 is 79559404.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28238596 + 12257001 = 5314^2 + 3501^2 .

It is a cyclic number.

It is not a de Polignac number, because 40495597 - 2¹¹ = 40493549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40495097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20247798 + 20247799.

It is an arithmetic number, because the mean of its divisors is an integer number (20247799).

Almost surely, 2^40495597 is an apocalyptic number.

It is an amenable number.

40495597 is a deficient number, since it is larger than the sum of its proper divisors (1).

40495597 is an equidigital number, since it uses as much as digits as its factorization.

40495597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 40495597 is about 6363.6150889255. The cubic root of 40495597 is about 343.4018274340.

The spelling of 40495597 in words is "forty million, four hundred ninety-five thousand, five hundred ninety-seven".