508874417 has 2 divisors, whose sum is σ = 508874418. Its totient is φ = 508874416.

The previous prime is 508874323. The next prime is 508874419. The reversal of 508874417 is 714478805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490888336 + 17986081 = 22156^2 + 4241^2 .

It is a cyclic number.

It is not a de Polignac number, because 508874417 - 2¹⁴ = 508858033 is a prime.

Together with 508874419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (508874419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254437208 + 254437209.

It is an arithmetic number, because the mean of its divisors is an integer number (254437209).

Almost surely, 2^508874417 is an apocalyptic number.

It is an amenable number.

508874417 is a deficient number, since it is larger than the sum of its proper divisors (1).

508874417 is an equidigital number, since it uses as much as digits as its factorization.

508874417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 250880, while the sum is 44.

The square root of 508874417 is about 22558.2449893603. The cubic root of 508874417 is about 798.3687683021.

The spelling of 508874417 in words is "five hundred eight million, eight hundred seventy-four thousand, four hundred seventeen".