502321097 has 2 divisors, whose sum is σ = 502321098. Its totient is φ = 502321096.

The previous prime is 502321091. The next prime is 502321129. The reversal of 502321097 is 790123205.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255328441 + 246992656 = 15979^2 + 15716^2 .

It is a cyclic number.

It is not a de Polignac number, because 502321097 - 2⁶ = 502321033 is a prime.

It is not a weakly prime, because it can be changed into another prime (502321091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251160548 + 251160549.

It is an arithmetic number, because the mean of its divisors is an integer number (251160549).

Almost surely, 2^502321097 is an apocalyptic number.

It is an amenable number.

502321097 is a deficient number, since it is larger than the sum of its proper divisors (1).

502321097 is an equidigital number, since it uses as much as digits as its factorization.

502321097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 502321097 is about 22412.5209871625. The cubic root of 502321097 is about 794.9268010081.

The spelling of 502321097 in words is "five hundred two million, three hundred twenty-one thousand, ninety-seven".