499952539 has 2 divisors, whose sum is σ = 499952540. Its totient is φ = 499952538.

The previous prime is 499952533. The next prime is 499952561. The reversal of 499952539 is 935259994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 499952539 - 2¹¹ = 499950491 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 499952539.

It is not a weakly prime, because it can be changed into another prime (499952533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249976269 + 249976270.

It is an arithmetic number, because the mean of its divisors is an integer number (249976270).

Almost surely, 2^499952539 is an apocalyptic number.

499952539 is a deficient number, since it is larger than the sum of its proper divisors (1).

499952539 is an equidigital number, since it uses as much as digits as its factorization.

499952539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3936600, while the sum is 55.

The square root of 499952539 is about 22359.6184895897. The cubic root of 499952539 is about 793.6754119757.

The spelling of 499952539 in words is "four hundred ninety-nine million, nine hundred fifty-two thousand, five hundred thirty-nine".