2545562572 has 48 divisors (see below), whose sum is σ = 5228213760. Its totient is φ = 1061712000.

The previous prime is 2545562549. The next prime is 2545562573. The reversal of 2545562572 is 2752655452.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2545562573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501447 + ... + 506497.

It is an arithmetic number, because the mean of its divisors is an integer number (108921120).

Almost surely, 2^2545562572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545562572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2614106880).

2545562572 is an abundant number, since it is smaller than the sum of its proper divisors (2682651188).

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

2545562572 is a wasteful number, since it uses less digits than its factorization.

2545562572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5542 (or 5540 counting only the distinct ones).

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

The square root of 2545562572 is about 50453.5684763724. The cubic root of 2545562572 is about 1365.4042771086.

The spelling of 2545562572 in words is "two billion, five hundred forty-five million, five hundred sixty-two thousand, five hundred seventy-two".