502009741 has 2 divisors, whose sum is σ = 502009742. Its totient is φ = 502009740.

The previous prime is 502009721. The next prime is 502009763. The reversal of 502009741 is 147900205.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 493772841 + 8236900 = 22221^2 + 2870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-502009741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502009721) 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, 251004870 + 251004871.

It is an arithmetic number, because the mean of its divisors is an integer number (251004871).

Almost surely, 2^502009741 is an apocalyptic number.

It is an amenable number.

502009741 is a deficient number, since it is larger than the sum of its proper divisors (1).

502009741 is an equidigital number, since it uses as much as digits as its factorization.

502009741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 502009741 is about 22405.5738824070. The cubic root of 502009741 is about 794.7625260150.

Adding to 502009741 its reverse (147900205), we get a palindrome (649909946).

The spelling of 502009741 in words is "five hundred two million, nine thousand, seven hundred forty-one".