2551901453 has 4 divisors (see below), whose sum is σ = 2595154080. Its totient is φ = 2508648828.

The previous prime is 2551901441. The next prime is 2551901461. The reversal of 2551901453 is 3541091552.

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 2551901453 - 2⁴ = 2551901437 is a prime.

It is a super-2 number, since 2×2551901453² = 13024402051647022418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551901413) 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, 21626225 + ... + 21626342.

It is an arithmetic number, because the mean of its divisors is an integer number (648788520).

Almost surely, 2^2551901453 is an apocalyptic number.

It is an amenable number.

2551901453 is a deficient number, since it is larger than the sum of its proper divisors (43252627).

2551901453 is an equidigital number, since it uses as much as digits as its factorization.

2551901453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43252626.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 2551901453 is about 50516.3483735711. The cubic root of 2551901453 is about 1366.5367001202.

The spelling of 2551901453 in words is "two billion, five hundred fifty-one million, nine hundred one thousand, four hundred fifty-three".