2451625451 has 6 divisors (see below), whose sum is σ = 2674679652. Its totient is φ = 2228601120.

The previous prime is 2451625447. The next prime is 2451625481. The reversal of 2451625451 is 1545261542.

It is not a de Polignac number, because 2451625451 - 2² = 2451625447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2451625481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156755 + ... + 171683.

It is an arithmetic number, because the mean of its divisors is an integer number (445779942).

Almost surely, 2^2451625451 is an apocalyptic number.

2451625451 is a deficient number, since it is larger than the sum of its proper divisors (223054201).

2451625451 is an frugal number, since it uses more digits than its factorization.

2451625451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29869 (or 14940 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The square root of 2451625451 is about 49513.8914952158. The cubic root of 2451625451 is about 1348.3978159650.

Adding to 2451625451 its reverse (1545261542), we get a palindrome (3996886993).

The spelling of 2451625451 in words is "two billion, four hundred fifty-one million, six hundred twenty-five thousand, four hundred fifty-one".