2545784375 has 24 divisors (see below), whose sum is σ = 3249916992. Its totient is φ = 1993180000.

The previous prime is 2545784363. The next prime is 2545784377. The reversal of 2545784375 is 5734875452.

It is not a de Polignac number, because 2545784375 - 2²⁸ = 2277348919 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 (2545784377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138209 + ... + 155541.

It is an arithmetic number, because the mean of its divisors is an integer number (135413208).

Almost surely, 2^2545784375 is an apocalyptic number.

2545784375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2545784375 is a deficient number, since it is larger than the sum of its proper divisors (704132617).

2545784375 is an frugal number, since it uses more digits than its factorization.

2545784375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17405 (or 17385 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 50.

The square root of 2545784375 is about 50455.7665188034. The cubic root of 2545784375 is about 1365.4439333026.

The spelling of 2545784375 in words is "two billion, five hundred forty-five million, seven hundred eighty-four thousand, three hundred seventy-five".