2545351875 has 120 divisors (see below), whose sum is σ = 5177542656. Its totient is φ = 1193400000.

The previous prime is 2545351867. The next prime is 2545351883. The reversal of 2545351875 is 5781535452.

2545351875 is a `hidden beast` number, since 2 + 545 + 35 + 1 + 8 + 75 = 666.

It is an interprime number because it is at equal distance from previous prime (2545351867) and next prime (2545351883).

It is not a de Polignac number, because 2545351875 - 2³ = 2545351867 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2545351875.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1917462 + ... + 1918788.

Almost surely, 2^2545351875 is an apocalyptic number.

2545351875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2545351875 is an abundant number, since it is smaller than the sum of its proper divisors (2632190781).

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

2545351875 is a wasteful number, since it uses less digits than its factorization.

2545351875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1377 counting only the distinct ones).

The product of its digits is 840000, while the sum is 45.

The square root of 2545351875 is about 50451.4804044440. The cubic root of 2545351875 is about 1365.3666044247.

The spelling of 2545351875 in words is "two billion, five hundred forty-five million, three hundred fifty-one thousand, eight hundred seventy-five".