501164249 has 2 divisors, whose sum is σ = 501164250. Its totient is φ = 501164248.

The previous prime is 501164143. The next prime is 501164263. The reversal of 501164249 is 942461105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499969600 + 1194649 = 22360^2 + 1093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-501164249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (501160249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250582124 + 250582125.

It is an arithmetic number, because the mean of its divisors is an integer number (250582125).

Almost surely, 2^501164249 is an apocalyptic number.

It is an amenable number.

501164249 is a deficient number, since it is larger than the sum of its proper divisors (1).

501164249 is an equidigital number, since it uses as much as digits as its factorization.

501164249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 501164249 is about 22386.6980370040. The cubic root of 501164249 is about 794.3160918122.

The spelling of 501164249 in words is "five hundred one million, one hundred sixty-four thousand, two hundred forty-nine".