36240637 has 2 divisors, whose sum is σ = 36240638. Its totient is φ = 36240636.

The previous prime is 36240623. The next prime is 36240641. The reversal of 36240637 is 73604263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19545241 + 16695396 = 4421^2 + 4086^2 .

It is a cyclic number.

It is not a de Polignac number, because 36240637 - 2²³ = 27852029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36240599 and 36240608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36240667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18120318 + 18120319.

It is an arithmetic number, because the mean of its divisors is an integer number (18120319).

Almost surely, 2^36240637 is an apocalyptic number.

It is an amenable number.

36240637 is a deficient number, since it is larger than the sum of its proper divisors (1).

36240637 is an equidigital number, since it uses as much as digits as its factorization.

36240637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 36240637 is about 6020.0196843532. The cubic root of 36240637 is about 330.9268008378.

The spelling of 36240637 in words is "thirty-six million, two hundred forty thousand, six hundred thirty-seven".