502161097 has 2 divisors, whose sum is σ = 502161098. Its totient is φ = 502161096.

The previous prime is 502161091. The next prime is 502161119. The reversal of 502161097 is 790161205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455224896 + 46936201 = 21336^2 + 6851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502161097 is a prime.

It is not a weakly prime, because it can be changed into another prime (502161091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251080548 + 251080549.

It is an arithmetic number, because the mean of its divisors is an integer number (251080549).

Almost surely, 2^502161097 is an apocalyptic number.

It is an amenable number.

502161097 is a deficient number, since it is larger than the sum of its proper divisors (1).

502161097 is an equidigital number, since it uses as much as digits as its factorization.

502161097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 502161097 is about 22408.9512695262. The cubic root of 502161097 is about 794.8423916562.

The spelling of 502161097 in words is "five hundred two million, one hundred sixty-one thousand, ninety-seven".