2451656315 has 4 divisors (see below), whose sum is σ = 2941987584. Its totient is φ = 1961325048.

The previous prime is 2451656269. The next prime is 2451656321. The reversal of 2451656315 is 5136561542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2451656315 - 2¹² = 2451652219 is a prime.

It is a Duffinian 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, 245165627 + ... + 245165636.

It is an arithmetic number, because the mean of its divisors is an integer number (735496896).

Almost surely, 2^2451656315 is an apocalyptic number.

2451656315 is a deficient number, since it is larger than the sum of its proper divisors (490331269).

2451656315 is an equidigital number, since it uses as much as digits as its factorization.

2451656315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490331268.

The product of its digits is 108000, while the sum is 38.

The square root of 2451656315 is about 49514.2031643447. The cubic root of 2451656315 is about 1348.4034743572.

The spelling of 2451656315 in words is "two billion, four hundred fifty-one million, six hundred fifty-six thousand, three hundred fifteen".