2575782551 has 2 divisors, whose sum is σ = 2575782552. Its totient is φ = 2575782550.

The previous prime is 2575782511. The next prime is 2575782607. The reversal of 2575782551 is 1552875752.

2575782551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2575782551 - 2⁶ = 2575782487 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2575782496 and 2575782505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2575782511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287891275 + 1287891276.

It is an arithmetic number, because the mean of its divisors is an integer number (1287891276).

Almost surely, 2^2575782551 is an apocalyptic number.

2575782551 is a deficient number, since it is larger than the sum of its proper divisors (1).

2575782551 is an equidigital number, since it uses as much as digits as its factorization.

2575782551 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 2575782551 is about 50752.1679438426. The cubic root of 2575782551 is about 1370.7862272726.

The spelling of 2575782551 in words is "two billion, five hundred seventy-five million, seven hundred eighty-two thousand, five hundred fifty-one".