2553502121 has 2 divisors, whose sum is σ = 2553502122. Its totient is φ = 2553502120.

The previous prime is 2553502117. The next prime is 2553502129. The reversal of 2553502121 is 1212053552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2493903721 + 59598400 = 49939^2 + 7720^2 .

It is a cyclic number.

It is not a de Polignac number, because 2553502121 - 2² = 2553502117 is a prime.

It is not a weakly prime, because it can be changed into another prime (2553502129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276751060 + 1276751061.

It is an arithmetic number, because the mean of its divisors is an integer number (1276751061).

Almost surely, 2^2553502121 is an apocalyptic number.

It is an amenable number.

2553502121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553502121 is an equidigital number, since it uses as much as digits as its factorization.

2553502121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2553502121 is about 50532.1889591179. The cubic root of 2553502121 is about 1366.8223582758.

Adding to 2553502121 its reverse (1212053552), we get a palindrome (3765555673).

The spelling of 2553502121 in words is "two billion, five hundred fifty-three million, five hundred two thousand, one hundred twenty-one".