240030000253 has 2 divisors, whose sum is σ = 240030000254. Its totient is φ = 240030000252.

The previous prime is 240030000227. The next prime is 240030000283. The reversal of 240030000253 is 352000030042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204464943684 + 35565056569 = 452178^2 + 188587^2 .

It is a cyclic number.

It is not a de Polignac number, because 240030000253 - 2¹⁷ = 240029869181 is a prime.

It is a super-2 number, since 2×240030000253² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240030000253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240030000283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120015000126 + 120015000127.

It is an arithmetic number, because the mean of its divisors is an integer number (120015000127).

Almost surely, 2^240030000253 is an apocalyptic number.

It is an amenable number.

240030000253 is a deficient number, since it is larger than the sum of its proper divisors (1).

240030000253 is an equidigital number, since it uses as much as digits as its factorization.

240030000253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 19.

Adding to 240030000253 its reverse (352000030042), we get a palindrome (592030030295).

The spelling of 240030000253 in words is "two hundred forty billion, thirty million, two hundred fifty-three", and thus it is an aban number.