2545772590 has 8 divisors (see below), whose sum is σ = 4582390680. Its totient is φ = 1018309032.

The previous prime is 2545772587. The next prime is 2545772591. The reversal of 2545772590 is 952775452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2545772590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545772591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127288620 + ... + 127288639.

It is an arithmetic number, because the mean of its divisors is an integer number (572798835).

Almost surely, 2^2545772590 is an apocalyptic number.

2545772590 is a deficient number, since it is larger than the sum of its proper divisors (2036618090).

2545772590 is a wasteful number, since it uses less digits than its factorization.

2545772590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254577266.

The product of its (nonzero) digits is 882000, while the sum is 46.

The square root of 2545772590 is about 50455.6497332063. The cubic root of 2545772590 is about 1365.4418263185.

The spelling of 2545772590 in words is "two billion, five hundred forty-five million, seven hundred seventy-two thousand, five hundred ninety".