25340957 has 2 divisors, whose sum is σ = 25340958. Its totient is φ = 25340956.

The previous prime is 25340947. The next prime is 25340969. The reversal of 25340957 is 75904352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23755876 + 1585081 = 4874^2 + 1259^2 .

It is a cyclic number.

It is not a de Polignac number, because 25340957 - 2¹⁶ = 25275421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25340947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12670478 + 12670479.

It is an arithmetic number, because the mean of its divisors is an integer number (12670479).

Almost surely, 2^25340957 is an apocalyptic number.

It is an amenable number.

25340957 is a deficient number, since it is larger than the sum of its proper divisors (1).

25340957 is an equidigital number, since it uses as much as digits as its factorization.

25340957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 25340957 is about 5033.9802343672. The cubic root of 25340957 is about 293.7250618938.

The spelling of 25340957 in words is "twenty-five million, three hundred forty thousand, nine hundred fifty-seven".