2451145525 has 12 divisors (see below), whose sum is σ = 3046357600. Its totient is φ = 1956440880.

The previous prime is 2451145507. The next prime is 2451145553. The reversal of 2451145525 is 5255411542.

It is not a de Polignac number, because 2451145525 - 2⁹ = 2451145013 is a prime.

It is a super-2 number, since 2×2451145525² = 12016228769455051250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 100695 + ... + 122644.

Almost surely, 2^2451145525 is an apocalyptic number.

2451145525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2451145525 is a deficient number, since it is larger than the sum of its proper divisors (595212075).

2451145525 is a wasteful number, since it uses less digits than its factorization.

2451145525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223788 (or 223783 counting only the distinct ones).

The product of its digits is 40000, while the sum is 34.

The square root of 2451145525 is about 49509.0448807084. The cubic root of 2451145525 is about 1348.3098235405.

The spelling of 2451145525 in words is "two billion, four hundred fifty-one million, one hundred forty-five thousand, five hundred twenty-five".