2517985495 has 4 divisors (see below), whose sum is σ = 3021582600. Its totient is φ = 2014388392.

The previous prime is 2517985391. The next prime is 2517985499. The reversal of 2517985495 is 5945897152.

2517985495 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2517985495 - 2⁷ = 2517985367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2517985499) 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, 251798545 + ... + 251798554.

It is an arithmetic number, because the mean of its divisors is an integer number (755395650).

Almost surely, 2^2517985495 is an apocalyptic number.

2517985495 is a deficient number, since it is larger than the sum of its proper divisors (503597105).

2517985495 is an equidigital number, since it uses as much as digits as its factorization.

2517985495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503597104.

The product of its digits is 4536000, while the sum is 55.

The square root of 2517985495 is about 50179.5326303464. The cubic root of 2517985495 is about 1360.4557107127.

The spelling of 2517985495 in words is "two billion, five hundred seventeen million, nine hundred eighty-five thousand, four hundred ninety-five".