240252425321 has 4 divisors (see below), whose sum is σ = 240258495444. Its totient is φ = 240246355200.

The previous prime is 240252425299. The next prime is 240252425323. The reversal of 240252425321 is 123524252042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78547909696 + 161704515625 = 280264^2 + 402125^2 .

It is a cyclic number.

It is not a de Polignac number, because 240252425321 - 2¹⁰ = 240252424297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240252425323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2975300 + ... + 3054981.

It is an arithmetic number, because the mean of its divisors is an integer number (60064623861).

Almost surely, 2^240252425321 is an apocalyptic number.

It is an amenable number.

240252425321 is a deficient number, since it is larger than the sum of its proper divisors (6070123).

240252425321 is an equidigital number, since it uses as much as digits as its factorization.

240252425321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6070122.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 240252425321 its reverse (123524252042), we get a palindrome (363776677363).

The spelling of 240252425321 in words is "two hundred forty billion, two hundred fifty-two million, four hundred twenty-five thousand, three hundred twenty-one".