4451253523 has 4 divisors (see below), whose sum is σ = 4459765048. Its totient is φ = 4442742000.

The previous prime is 4451253493. The next prime is 4451253533. The reversal of 4451253523 is 3253521544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4451253523 - 2⁵ = 4451253491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4451253533) 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, 4254978 + ... + 4256023.

It is an arithmetic number, because the mean of its divisors is an integer number (1114941262).

Almost surely, 2^4451253523 is an apocalyptic number.

4451253523 is a deficient number, since it is larger than the sum of its proper divisors (8511525).

4451253523 is an equidigital number, since it uses as much as digits as its factorization.

4451253523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8511524.

The product of its digits is 72000, while the sum is 34.

The square root of 4451253523 is about 66717.7152111791. The cubic root of 4451253523 is about 1644.9805860552.

The spelling of 4451253523 in words is "four billion, four hundred fifty-one million, two hundred fifty-three thousand, five hundred twenty-three".