2251451523 has 8 divisors (see below), whose sum is σ = 3012619536. Its totient is φ = 1495625600.

The previous prime is 2251451519. The next prime is 2251451557. The reversal of 2251451523 is 3251541522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2251451523 - 2² = 2251451519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2251451513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334538 + ... + 1336223.

It is an arithmetic number, because the mean of its divisors is an integer number (376577442).

Almost surely, 2^2251451523 is an apocalyptic number.

2251451523 is a deficient number, since it is larger than the sum of its proper divisors (761168013).

2251451523 is a wasteful number, since it uses less digits than its factorization.

2251451523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671045.

The product of its digits is 12000, while the sum is 30.

The square root of 2251451523 is about 47449.4628315221. The cubic root of 2251451523 is about 1310.6524192286.

It can be divided in two parts, 2 and 251451523, that added together give a triangular number (251451525 = T₂₂₄₂₅).

The spelling of 2251451523 in words is "two billion, two hundred fifty-one million, four hundred fifty-one thousand, five hundred twenty-three".