502081357 has 2 divisors, whose sum is σ = 502081358. Its totient is φ = 502081356.

The previous prime is 502081351. The next prime is 502081439. The reversal of 502081357 is 753180205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 477815881 + 24265476 = 21859^2 + 4926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502081357 is a prime.

It is a super-2 number, since 2×502081357² = 504171378093922898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502081351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251040678 + 251040679.

It is an arithmetic number, because the mean of its divisors is an integer number (251040679).

Almost surely, 2^502081357 is an apocalyptic number.

It is an amenable number.

502081357 is a deficient number, since it is larger than the sum of its proper divisors (1).

502081357 is an equidigital number, since it uses as much as digits as its factorization.

502081357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 502081357 is about 22407.1719991613. The cubic root of 502081357 is about 794.8003174508.

The spelling of 502081357 in words is "five hundred two million, eighty-one thousand, three hundred fifty-seven".