2251242613253 has 4 divisors (see below), whose sum is σ = 2251583355840. Its totient is φ = 2250901870668.

The previous prime is 2251242613171. The next prime is 2251242613267. The reversal of 2251242613253 is 3523162421522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2251242613253 - 2²⁴ = 2251225836037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251242613153) 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, 170361383 + ... + 170374596.

It is an arithmetic number, because the mean of its divisors is an integer number (562895838960).

Almost surely, 2^{2251242613253} is an apocalyptic number.

It is an amenable number.

2251242613253 is a deficient number, since it is larger than the sum of its proper divisors (340742587).

2251242613253 is an equidigital number, since it uses as much as digits as its factorization.

2251242613253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340742586.

The product of its digits is 172800, while the sum is 38.

The spelling of 2251242613253 in words is "two trillion, two hundred fifty-one billion, two hundred forty-two million, six hundred thirteen thousand, two hundred fifty-three".