2516463451 has 4 divisors (see below), whose sum is σ = 2525355832. Its totient is φ = 2507571072.

The previous prime is 2516463427. The next prime is 2516463461. The reversal of 2516463451 is 1543646152.

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 2516463451 - 2⁹ = 2516462939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2516463451.

It is not an unprimeable number, because it can be changed into a prime (2516463461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4445766 + ... + 4446331.

It is an arithmetic number, because the mean of its divisors is an integer number (631338958).

Almost surely, 2^2516463451 is an apocalyptic number.

2516463451 is a deficient number, since it is larger than the sum of its proper divisors (8892381).

2516463451 is an equidigital number, since it uses as much as digits as its factorization.

2516463451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8892380.

The product of its digits is 86400, while the sum is 37.

The square root of 2516463451 is about 50164.3643535927. The cubic root of 2516463451 is about 1360.1815377260.

The spelling of 2516463451 in words is "two billion, five hundred sixteen million, four hundred sixty-three thousand, four hundred fifty-one".