502985531 has 2 divisors, whose sum is σ = 502985532. Its totient is φ = 502985530.

The previous prime is 502985519. The next prime is 502985603. The reversal of 502985531 is 135589205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 502985531 - 2⁶ = 502985467 is a prime.

It is a super-2 number, since 2×502985531² = 505988888790703922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (502985501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251492765 + 251492766.

It is an arithmetic number, because the mean of its divisors is an integer number (251492766).

Almost surely, 2^502985531 is an apocalyptic number.

502985531 is a deficient number, since it is larger than the sum of its proper divisors (1).

502985531 is an equidigital number, since it uses as much as digits as its factorization.

502985531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 502985531 is about 22427.3389192744. The cubic root of 502985531 is about 795.2771371379.

The spelling of 502985531 in words is "five hundred two million, nine hundred eighty-five thousand, five hundred thirty-one".