2582694721 has 2 divisors, whose sum is σ = 2582694722. Its totient is φ = 2582694720.

The previous prime is 2582694701. The next prime is 2582694727. The reversal of 2582694721 is 1274962852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2575055025 + 7639696 = 50745^2 + 2764^2 .

It is a cyclic number.

It is not a de Polignac number, because 2582694721 - 2¹⁵ = 2582661953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2582694727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1291347360 + 1291347361.

It is an arithmetic number, because the mean of its divisors is an integer number (1291347361).

Almost surely, 2^2582694721 is an apocalyptic number.

It is an amenable number.

2582694721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2582694721 is an equidigital number, since it uses as much as digits as its factorization.

2582694721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 46.

The square root of 2582694721 is about 50820.2196079474. The cubic root of 2582694721 is about 1372.0113105639.

The spelling of 2582694721 in words is "two billion, five hundred eighty-two million, six hundred ninety-four thousand, seven hundred twenty-one".