502406197 has 2 divisors, whose sum is σ = 502406198. Its totient is φ = 502406196.

The previous prime is 502406183. The next prime is 502406207. The reversal of 502406197 is 791604205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430936081 + 71470116 = 20759^2 + 8454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502406197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502406137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251203098 + 251203099.

It is an arithmetic number, because the mean of its divisors is an integer number (251203099).

Almost surely, 2^502406197 is an apocalyptic number.

It is an amenable number.

502406197 is a deficient number, since it is larger than the sum of its proper divisors (1).

502406197 is an equidigital number, since it uses as much as digits as its factorization.

502406197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 502406197 is about 22414.4193991279. The cubic root of 502406197 is about 794.9716889302.

The spelling of 502406197 in words is "five hundred two million, four hundred six thousand, one hundred ninety-seven".