2506421363 has 4 divisors (see below), whose sum is σ = 2511346080. Its totient is φ = 2501496648.

The previous prime is 2506421341. The next prime is 2506421377. The reversal of 2506421363 is 3631246052.

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 2506421363 - 2¹² = 2506417267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2506421383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2461595 + ... + 2462612.

It is an arithmetic number, because the mean of its divisors is an integer number (627836520).

Almost surely, 2^2506421363 is an apocalyptic number.

2506421363 is a deficient number, since it is larger than the sum of its proper divisors (4924717).

2506421363 is an equidigital number, since it uses as much as digits as its factorization.

2506421363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924716.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 2506421363 is about 50064.1724489679. The cubic root of 2506421363 is about 1358.3698322066.

The spelling of 2506421363 in words is "two billion, five hundred six million, four hundred twenty-one thousand, three hundred sixty-three".