2545043250 has 64 divisors (see below), whose sum is σ = 6381333504. Its totient is φ = 675590400.

The previous prime is 2545043243. The next prime is 2545043251. The reversal of 2545043250 is 523405452.

2545043250 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2545043251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159642 + ... + 174858.

It is an arithmetic number, because the mean of its divisors is an integer number (99708336).

Almost surely, 2^2545043250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2545043250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3190666752).

2545043250 is an abundant number, since it is smaller than the sum of its proper divisors (3836290254).

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

2545043250 is a wasteful number, since it uses less digits than its factorization.

2545043250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15460 (or 15450 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 2545043250 is about 50448.4216799693. The cubic root of 2545043250 is about 1365.3114184332.

The spelling of 2545043250 in words is "two billion, five hundred forty-five million, forty-three thousand, two hundred fifty".