2451678085 has 4 divisors (see below), whose sum is σ = 2942013708. Its totient is φ = 1961342464.

The previous prime is 2451678079. The next prime is 2451678109. The reversal of 2451678085 is 5808761542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5808761542 = 2 ⋅2904380771.

It can be written as a sum of positive squares in 2 ways, for example, as 1381014244 + 1070663841 = 37162^2 + 32721^2 .

It is a cyclic number.

It is not a de Polignac number, because 2451678085 - 2⁹ = 2451677573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245167804 + ... + 245167813.

It is an arithmetic number, because the mean of its divisors is an integer number (735503427).

Almost surely, 2^2451678085 is an apocalyptic number.

It is an amenable number.

2451678085 is a deficient number, since it is larger than the sum of its proper divisors (490335623).

2451678085 is an equidigital number, since it uses as much as digits as its factorization.

2451678085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490335622.

The product of its (nonzero) digits is 537600, while the sum is 46.

The square root of 2451678085 is about 49514.4229997685. The cubic root of 2451678085 is about 1348.4074654899.

The spelling of 2451678085 in words is "two billion, four hundred fifty-one million, six hundred seventy-eight thousand, eighty-five".