2567691325 has 6 divisors (see below), whose sum is σ = 3183937274. Its totient is φ = 2054153040.

The previous prime is 2567691311. The next prime is 2567691367. The reversal of 2567691325 is 5231967652.

It can be written as a sum of positive squares in 3 ways, for example, as 9253764 + 2558437561 = 3042^2 + 50581^2 .

It is not a de Polignac number, because 2567691325 - 2¹³ = 2567683133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51353802 + ... + 51353851.

Almost surely, 2^2567691325 is an apocalyptic number.

2567691325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2567691325 is a deficient number, since it is larger than the sum of its proper divisors (616245949).

2567691325 is a wasteful number, since it uses less digits than its factorization.

2567691325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102707663 (or 102707658 counting only the distinct ones).

The product of its digits is 680400, while the sum is 46.

The square root of 2567691325 is about 50672.3921381259. The cubic root of 2567691325 is about 1369.3493856032.

The spelling of 2567691325 in words is "two billion, five hundred sixty-seven million, six hundred ninety-one thousand, three hundred twenty-five".