2545326687 has 8 divisors (see below), whose sum is σ = 3449404720. Its totient is φ = 1669066560.

The previous prime is 2545326673. The next prime is 2545326709. The reversal of 2545326687 is 7866235452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2545326687 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 (2545326647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6954262 + ... + 6954627.

It is an arithmetic number, because the mean of its divisors is an integer number (431175590).

Almost surely, 2^2545326687 is an apocalyptic number.

2545326687 is a deficient number, since it is larger than the sum of its proper divisors (904078033).

2545326687 is a wasteful number, since it uses less digits than its factorization.

2545326687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13908953.

The product of its digits is 2419200, while the sum is 48.

The square root of 2545326687 is about 50451.2307778512. The cubic root of 2545326687 is about 1365.3621006640.

The spelling of 2545326687 in words is "two billion, five hundred forty-five million, three hundred twenty-six thousand, six hundred eighty-seven".