2545565043 has 24 divisors (see below), whose sum is σ = 4119890688. Its totient is φ = 1391362896.

The previous prime is 2545565027. The next prime is 2545565063. The reversal of 2545565043 is 3405655452.

It is not a de Polignac number, because 2545565043 - 2⁴ = 2545565027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2545564992 and 2545565010.

It is not an unprimeable number, because it can be changed into a prime (2545565003) 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, 373071 + ... + 379832.

It is an arithmetic number, because the mean of its divisors is an integer number (171662112).

Almost surely, 2^2545565043 is an apocalyptic number.

2545565043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2545565043 is a deficient number, since it is larger than the sum of its proper divisors (1574325645).

2545565043 is a wasteful number, since it uses less digits than its factorization.

2545565043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752943 (or 752936 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

The square root of 2545565043 is about 50453.5929642280. The cubic root of 2545565043 is about 1365.4047189118.

The spelling of 2545565043 in words is "two billion, five hundred forty-five million, five hundred sixty-five thousand, forty-three".