502132109 has 2 divisors, whose sum is σ = 502132110. Its totient is φ = 502132108.

The previous prime is 502132097. The next prime is 502132177. The reversal of 502132109 is 901231205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500774884 + 1357225 = 22378^2 + 1165^2 .

It is a cyclic number.

It is not a de Polignac number, because 502132109 - 2⁸ = 502131853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502131109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251066054 + 251066055.

It is an arithmetic number, because the mean of its divisors is an integer number (251066055).

Almost surely, 2^502132109 is an apocalyptic number.

It is an amenable number.

502132109 is a deficient number, since it is larger than the sum of its proper divisors (1).

502132109 is an equidigital number, since it uses as much as digits as its factorization.

502132109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 502132109 is about 22408.3044650862. The cubic root of 502132109 is about 794.8270968735.

The spelling of 502132109 in words is "five hundred two million, one hundred thirty-two thousand, one hundred nine".