2547215483 has 4 divisors (see below), whose sum is σ = 2566660008. Its totient is φ = 2527770960.

The previous prime is 2547215479. The next prime is 2547215513. The reversal of 2547215483 is 3845127452.

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 2547215483 - 2² = 2547215479 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 2547215483.

It is not an unprimeable number, because it can be changed into a prime (2547215413) 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, 9722066 + ... + 9722327.

It is an arithmetic number, because the mean of its divisors is an integer number (641665002).

Almost surely, 2^2547215483 is an apocalyptic number.

2547215483 is a deficient number, since it is larger than the sum of its proper divisors (19444525).

2547215483 is a wasteful number, since it uses less digits than its factorization.

2547215483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19444524.

The product of its digits is 268800, while the sum is 41.

The square root of 2547215483 is about 50469.9463344276. The cubic root of 2547215483 is about 1365.6997459715.

The spelling of 2547215483 in words is "two billion, five hundred forty-seven million, two hundred fifteen thousand, four hundred eighty-three".