25795537 has 2 divisors, whose sum is σ = 25795538. Its totient is φ = 25795536.

The previous prime is 25795531. The next prime is 25795541. The reversal of 25795537 is 73559752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18309841 + 7485696 = 4279^2 + 2736^2 .

It is a cyclic number.

It is not a de Polignac number, because 25795537 - 2¹¹ = 25793489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25795493 and 25795502.

It is not a weakly prime, because it can be changed into another prime (25795531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12897768 + 12897769.

It is an arithmetic number, because the mean of its divisors is an integer number (12897769).

Almost surely, 2^25795537 is an apocalyptic number.

It is an amenable number.

25795537 is a deficient number, since it is larger than the sum of its proper divisors (1).

25795537 is an equidigital number, since it uses as much as digits as its factorization.

25795537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 330750, while the sum is 43.

The square root of 25795537 is about 5078.9306945459. The cubic root of 25795537 is about 295.4709971029.

The spelling of 25795537 in words is "twenty-five million, seven hundred ninety-five thousand, five hundred thirty-seven".