2502752581 has 16 divisors (see below), whose sum is σ = 2893919616. Its totient is φ = 2120057856.

The previous prime is 2502752573. The next prime is 2502752587. The reversal of 2502752581 is 1852572052.

2502752581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2502752581 - 2³ = 2502752573 is a prime.

It is a super-2 number, since 2×2502752581² = 12527540963404323122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2502752581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502752587) 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, 559305 + ... + 563761.

It is an arithmetic number, because the mean of its divisors is an integer number (180869976).

Almost surely, 2^2502752581 is an apocalyptic number.

It is an amenable number.

2502752581 is a deficient number, since it is larger than the sum of its proper divisors (391167035).

2502752581 is an equidigital number, since it uses as much as digits as its factorization.

2502752581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5388.

The product of its (nonzero) digits is 56000, while the sum is 37.

The square root of 2502752581 is about 50027.5182374661. The cubic root of 2502752581 is about 1357.7067358878.

The spelling of 2502752581 in words is "two billion, five hundred two million, seven hundred fifty-two thousand, five hundred eighty-one".