2451513225 has 24 divisors (see below), whose sum is σ = 4632193600. Its totient is φ = 1120691520.

The previous prime is 2451513217. The next prime is 2451513269. The reversal of 2451513225 is 5223151542.

2451513225 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2451513225 - 2³ = 2451513217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2451513192 and 2451513201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2334250 + ... + 2335299.

Almost surely, 2^2451513225 is an apocalyptic number.

2451513225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2451513225 is a deficient number, since it is larger than the sum of its proper divisors (2180680375).

2451513225 is a wasteful number, since it uses less digits than its factorization.

2451513225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669569 (or 4669564 counting only the distinct ones).

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

The square root of 2451513225 is about 49512.7582043255. The cubic root of 2451513225 is about 1348.3772408261.

Adding to 2451513225 its reverse (5223151542), we get a palindrome (7674664767).

The spelling of 2451513225 in words is "two billion, four hundred fifty-one million, five hundred thirteen thousand, two hundred twenty-five".