2545814172 has 24 divisors (see below), whose sum is σ = 6480254592. Its totient is φ = 771458800.

The previous prime is 2545814143. The next prime is 2545814207. The reversal of 2545814172 is 2714185452.

It is a self number, because there is not a number n which added to its sum of digits gives 2545814172.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9643104 + ... + 9643367.

It is an arithmetic number, because the mean of its divisors is an integer number (270010608).

Almost surely, 2^2545814172 is an apocalyptic number.

2545814172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2545814172 is an abundant number, since it is smaller than the sum of its proper divisors (3934440420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545814172 is a wasteful number, since it uses less digits than its factorization.

2545814172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19286489 (or 19286487 counting only the distinct ones).

The product of its digits is 89600, while the sum is 39.

The square root of 2545814172 is about 50456.0617963788. The cubic root of 2545814172 is about 1365.4492605375.

The spelling of 2545814172 in words is "two billion, five hundred forty-five million, eight hundred fourteen thousand, one hundred seventy-two".