2545457298 has 16 divisors (see below), whose sum is σ = 5120343936. Its totient is φ = 843580880.

The previous prime is 2545457297. The next prime is 2545457329. The reversal of 2545457298 is 8927545452.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2545457298.

It is not an unprimeable number, because it can be changed into a prime (2545457293) 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, 1225098 + ... + 1227173.

It is an arithmetic number, because the mean of its divisors is an integer number (320021496).

Almost surely, 2^2545457298 is an apocalyptic number.

2545457298 is an abundant number, since it is smaller than the sum of its proper divisors (2574886638).

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

2545457298 is a wasteful number, since it uses less digits than its factorization.

2545457298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2452449.

The product of its digits is 4032000, while the sum is 51.

The square root of 2545457298 is about 50452.5251895284. The cubic root of 2545457298 is about 1365.3854543471.

The spelling of 2545457298 in words is "two billion, five hundred forty-five million, four hundred fifty-seven thousand, two hundred ninety-eight".