2506264543 has 4 divisors (see below), whose sum is σ = 2540597008. Its totient is φ = 2471932080.

The previous prime is 2506264513. The next prime is 2506264643. The reversal of 2506264543 is 3454626052.

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 2506264543 - 2¹⁷ = 2506133471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506264513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17166123 + ... + 17166268.

It is an arithmetic number, because the mean of its divisors is an integer number (635149252).

Almost surely, 2^2506264543 is an apocalyptic number.

2506264543 is a deficient number, since it is larger than the sum of its proper divisors (34332465).

2506264543 is an equidigital number, since it uses as much as digits as its factorization.

2506264543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34332464.

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 2506264543 is about 50062.6062345939. The cubic root of 2506264543 is about 1358.3415017746.

The spelling of 2506264543 in words is "two billion, five hundred six million, two hundred sixty-four thousand, five hundred forty-three".