4520256451 has 4 divisors (see below), whose sum is σ = 4520749912. Its totient is φ = 4519762992.

The previous prime is 4520256439. The next prime is 4520256457. The reversal of 4520256451 is 1546520254.

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 4520256451 - 2⁹ = 4520255939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4520256457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232725 + ... + 251398.

It is an arithmetic number, because the mean of its divisors is an integer number (1130187478).

Almost surely, 2^4520256451 is an apocalyptic number.

4520256451 is a deficient number, since it is larger than the sum of its proper divisors (493461).

4520256451 is an equidigital number, since it uses as much as digits as its factorization.

4520256451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493460.

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 4520256451 is about 67232.8524681201. The cubic root of 4520256451 is about 1653.4371510325.

The spelling of 4520256451 in words is "four billion, five hundred twenty million, two hundred fifty-six thousand, four hundred fifty-one".