2545622575 has 24 divisors (see below), whose sum is σ = 3234726000. Its totient is φ = 1986216960.

The previous prime is 2545622561. The next prime is 2545622587. The reversal of 2545622575 is 5752265452.

It is not a de Polignac number, because 2545622575 - 2¹¹ = 2545620527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 997401 + ... + 999949.

It is an arithmetic number, because the mean of its divisors is an integer number (134780250).

Almost surely, 2^2545622575 is an apocalyptic number.

2545622575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2545622575 is a deficient number, since it is larger than the sum of its proper divisors (689103425).

2545622575 is a wasteful number, since it uses less digits than its factorization.

2545622575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531 (or 3526 counting only the distinct ones).

The product of its digits is 840000, while the sum is 43.

The square root of 2545622575 is about 50454.1631087069. The cubic root of 2545622575 is about 1365.4150052819.

The spelling of 2545622575 in words is "two billion, five hundred forty-five million, six hundred twenty-two thousand, five hundred seventy-five".