502140461 has 2 divisors, whose sum is σ = 502140462. Its totient is φ = 502140460.

The previous prime is 502140451. The next prime is 502140469. The reversal of 502140461 is 164041205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322741225 + 179399236 = 17965^2 + 13394^2 .

It is a cyclic number.

It is not a de Polignac number, because 502140461 - 2¹⁸ = 501878317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502140469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251070230 + 251070231.

It is an arithmetic number, because the mean of its divisors is an integer number (251070231).

Almost surely, 2^502140461 is an apocalyptic number.

It is an amenable number.

502140461 is a deficient number, since it is larger than the sum of its proper divisors (1).

502140461 is an equidigital number, since it uses as much as digits as its factorization.

502140461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 502140461 is about 22408.4908237927. The cubic root of 502140461 is about 794.8315036548.

Adding to 502140461 its reverse (164041205), we get a palindrome (666181666).

The spelling of 502140461 in words is "five hundred two million, one hundred forty thousand, four hundred sixty-one".