502564949 has 2 divisors, whose sum is σ = 502564950. Its totient is φ = 502564948.

The previous prime is 502564939. The next prime is 502564987. The reversal of 502564949 is 949465205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 489205924 + 13359025 = 22118^2 + 3655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502564949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502564919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251282474 + 251282475.

It is an arithmetic number, because the mean of its divisors is an integer number (251282475).

Almost surely, 2^502564949 is an apocalyptic number.

It is an amenable number.

502564949 is a deficient number, since it is larger than the sum of its proper divisors (1).

502564949 is an equidigital number, since it uses as much as digits as its factorization.

502564949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 502564949 is about 22417.9604112417. The cubic root of 502564949 is about 795.0554127218.

The spelling of 502564949 in words is "five hundred two million, five hundred sixty-four thousand, nine hundred forty-nine".