402536117 has 2 divisors, whose sum is σ = 402536118. Its totient is φ = 402536116.

The previous prime is 402536093. The next prime is 402536177. The reversal of 402536117 is 711635204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360012676 + 42523441 = 18974^2 + 6521^2 .

It is a cyclic number.

It is not a de Polignac number, because 402536117 - 2¹⁸ = 402273973 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402536117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402536177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201268058 + 201268059.

It is an arithmetic number, because the mean of its divisors is an integer number (201268059).

Almost surely, 2^402536117 is an apocalyptic number.

It is an amenable number.

402536117 is a deficient number, since it is larger than the sum of its proper divisors (1).

402536117 is an equidigital number, since it uses as much as digits as its factorization.

402536117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 402536117 is about 20063.3027440648. The cubic root of 402536117 is about 738.3602094120.

The spelling of 402536117 in words is "four hundred two million, five hundred thirty-six thousand, one hundred seventeen".