2506958539 has 4 divisors (see below), whose sum is σ = 2511943056. Its totient is φ = 2501974024.

The previous prime is 2506958527. The next prime is 2506958543. The reversal of 2506958539 is 9358596052.

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 2506958539 - 2⁵ = 2506958507 is a prime.

It is a super-2 number, since 2×2506958539² = 12569682232530029042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2506958599) 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, 2491504 + ... + 2492509.

It is an arithmetic number, because the mean of its divisors is an integer number (627985764).

Almost surely, 2^2506958539 is an apocalyptic number.

2506958539 is a deficient number, since it is larger than the sum of its proper divisors (4984517).

2506958539 is an equidigital number, since it uses as much as digits as its factorization.

2506958539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984516.

The product of its (nonzero) digits is 2916000, while the sum is 52.

The square root of 2506958539 is about 50069.5370360062. The cubic root of 2506958539 is about 1358.4668671747.

The spelling of 2506958539 in words is "two billion, five hundred six million, nine hundred fifty-eight thousand, five hundred thirty-nine".