502081439 has 2 divisors, whose sum is σ = 502081440. Its totient is φ = 502081438.

The previous prime is 502081357. The next prime is 502081529. The reversal of 502081439 is 934180205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 502081439 - 2¹² = 502077343 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502081639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251040719 + 251040720.

It is an arithmetic number, because the mean of its divisors is an integer number (251040720).

Almost surely, 2^502081439 is an apocalyptic number.

502081439 is a deficient number, since it is larger than the sum of its proper divisors (1).

502081439 is an equidigital number, since it uses as much as digits as its factorization.

502081439 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 502081439 is about 22407.1738289326. The cubic root of 502081439 is about 794.8003607198.

The spelling of 502081439 in words is "five hundred two million, eighty-one thousand, four hundred thirty-nine".