2575752581 has 2 divisors, whose sum is σ = 2575752582. Its totient is φ = 2575752580.

The previous prime is 2575752551. The next prime is 2575752593. The reversal of 2575752581 is 1852575752.

2575752581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2267188225 + 308564356 = 47615^2 + 17566^2 .

It is a cyclic number.

It is not a de Polignac number, because 2575752581 - 2²² = 2571558277 is a prime.

It is a super-2 number, since 2×2575752581² = 13269002717056323122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2575752551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287876290 + 1287876291.

It is an arithmetic number, because the mean of its divisors is an integer number (1287876291).

Almost surely, 2^2575752581 is an apocalyptic number.

It is an amenable number.

2575752581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2575752581 is an equidigital number, since it uses as much as digits as its factorization.

2575752581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 980000, while the sum is 47.

The square root of 2575752581 is about 50751.8726846606. The cubic root of 2575752581 is about 1370.7809107495.

The spelling of 2575752581 in words is "two billion, five hundred seventy-five million, seven hundred fifty-two thousand, five hundred eighty-one".