304242500501 has 2 divisors, whose sum is σ = 304242500502. Its totient is φ = 304242500500.

The previous prime is 304242500491. The next prime is 304242500531. The reversal of 304242500501 is 105005242403.

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., 211871487025 + 92371013476 = 460295^2 + 303926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304242500501 is a prime.

It is a super-2 number, since 2×304242500501² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304242500531) 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, 152121250250 + 152121250251.

It is an arithmetic number, because the mean of its divisors is an integer number (152121250251).

Almost surely, 2^304242500501 is an apocalyptic number.

It is an amenable number.

304242500501 is a deficient number, since it is larger than the sum of its proper divisors (1).

304242500501 is an equidigital number, since it uses as much as digits as its factorization.

304242500501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 304242500501 its reverse (105005242403), we get a palindrome (409247742904).

The spelling of 304242500501 in words is "three hundred four billion, two hundred forty-two million, five hundred thousand, five hundred one".