2506535099 has 4 divisors (see below), whose sum is σ = 2507432136. Its totient is φ = 2505638064.

The previous prime is 2506535089. The next prime is 2506535117. The reversal of 2506535099 is 9905356052.

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 2506535099 - 2¹² = 2506531003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2506535069) 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, 444314 + ... + 449919.

It is an arithmetic number, because the mean of its divisors is an integer number (626858034).

Almost surely, 2^2506535099 is an apocalyptic number.

2506535099 is a deficient number, since it is larger than the sum of its proper divisors (897037).

2506535099 is an equidigital number, since it uses as much as digits as its factorization.

2506535099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897036.

The product of its (nonzero) digits is 364500, while the sum is 44.

The square root of 2506535099 is about 50065.3083382096. The cubic root of 2506535099 is about 1358.3903785277.

The spelling of 2506535099 in words is "two billion, five hundred six million, five hundred thirty-five thousand, ninety-nine".