2502232121 has 4 divisors (see below), whose sum is σ = 2502406644. Its totient is φ = 2502057600.

The previous prime is 2502232099. The next prime is 2502232163. The reversal of 2502232121 is 1212322052.

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 768675625 + 1733556496 = 27725^2 + 41636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2502232121 is a prime.

It is a super-2 number, since 2×2502232121² = 12522331174728317282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2502232093 and 2502232102.

It is not an unprimeable number, because it can be changed into a prime (2502234121) 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, 63620 + ... + 95141.

It is an arithmetic number, because the mean of its divisors is an integer number (625601661).

Almost surely, 2^2502232121 is an apocalyptic number.

It is an amenable number.

2502232121 is a deficient number, since it is larger than the sum of its proper divisors (174523).

2502232121 is a wasteful number, since it uses less digits than its factorization.

2502232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174522.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2502232121 is about 50022.3162298588. The cubic root of 2502232121 is about 1357.6126153794.

Adding to 2502232121 its reverse (1212322052), we get a palindrome (3714554173).

The spelling of 2502232121 in words is "two billion, five hundred two million, two hundred thirty-two thousand, one hundred twenty-one".