40500637 has 2 divisors, whose sum is σ = 40500638. Its totient is φ = 40500636.

The previous prime is 40500589. The next prime is 40500643. The reversal of 40500637 is 73600504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39075001 + 1425636 = 6251^2 + 1194^2 .

It is a cyclic number.

It is not a de Polignac number, because 40500637 - 2¹¹ = 40498589 is a prime.

It is equal to p_2462308 and since 40500637 and 2462308 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40500667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20250318 + 20250319.

It is an arithmetic number, because the mean of its divisors is an integer number (20250319).

Almost surely, 2^40500637 is an apocalyptic number.

It is an amenable number.

40500637 is a deficient number, since it is larger than the sum of its proper divisors (1).

40500637 is an equidigital number, since it uses as much as digits as its factorization.

40500637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 40500637 is about 6364.0110779288. The cubic root of 40500637 is about 343.4160732083.

The spelling of 40500637 in words is "forty million, five hundred thousand, six hundred thirty-seven".