500024981 has 2 divisors, whose sum is σ = 500024982. Its totient is φ = 500024980.

The previous prime is 500024939. The next prime is 500025011. The reversal of 500024981 is 189420005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 423742225 + 76282756 = 20585^2 + 8734^2 .

It is a cyclic number.

It is not a de Polignac number, because 500024981 - 2²⁶ = 432916117 is a prime.

It is a super-2 number, since 2×500024981² = 500049963248100722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500024911) 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, 250012490 + 250012491.

It is an arithmetic number, because the mean of its divisors is an integer number (250012491).

Almost surely, 2^500024981 is an apocalyptic number.

It is an amenable number.

500024981 is a deficient number, since it is larger than the sum of its proper divisors (1).

500024981 is an equidigital number, since it uses as much as digits as its factorization.

500024981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 500024981 is about 22361.2383601624. The cubic root of 500024981 is about 793.7137440525.

Adding to 500024981 its reverse (189420005), we get a palindrome (689444986).

The spelling of 500024981 in words is "five hundred million, twenty-four thousand, nine hundred eighty-one".