240130412521 has 2 divisors, whose sum is σ = 240130412522. Its totient is φ = 240130412520.

The previous prime is 240130412453. The next prime is 240130412567. The reversal of 240130412521 is 125214031042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163490026921 + 76640385600 = 404339^2 + 276840^2 .

It is a cyclic number.

It is not a de Polignac number, because 240130412521 - 2⁷ = 240130412393 is a prime.

It is not a weakly prime, because it can be changed into another prime (240130412021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120065206260 + 120065206261.

It is an arithmetic number, because the mean of its divisors is an integer number (120065206261).

Almost surely, 2^240130412521 is an apocalyptic number.

It is an amenable number.

240130412521 is a deficient number, since it is larger than the sum of its proper divisors (1).

240130412521 is an equidigital number, since it uses as much as digits as its factorization.

240130412521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 240130412521 its reverse (125214031042), we get a palindrome (365344443563).

The spelling of 240130412521 in words is "two hundred forty billion, one hundred thirty million, four hundred twelve thousand, five hundred twenty-one".