2451515223 has 16 divisors (see below), whose sum is σ = 3459747200. Its totient is φ = 1539764640.

The previous prime is 2451515219. The next prime is 2451515233. The reversal of 2451515223 is 3225151542.

It is not a de Polignac number, because 2451515223 - 2² = 2451515219 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 (2451515233) 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 15 ways as a sum of consecutive naturals, for example, 108493 + ... + 129126.

It is an arithmetic number, because the mean of its divisors is an integer number (216234200).

Almost surely, 2^2451515223 is an apocalyptic number.

2451515223 is a deficient number, since it is larger than the sum of its proper divisors (1008231977).

2451515223 is a wasteful number, since it uses less digits than its factorization.

2451515223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237822.

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

The square root of 2451515223 is about 49512.7783809392. The cubic root of 2451515223 is about 1348.3776071382.

Adding to 2451515223 its reverse (3225151542), we get a palindrome (5676666765).

The spelling of 2451515223 in words is "two billion, four hundred fifty-one million, five hundred fifteen thousand, two hundred twenty-three".