25741801 has 2 divisors, whose sum is σ = 25741802. Its totient is φ = 25741800.

The previous prime is 25741799. The next prime is 25741829. The reversal of 25741801 is 10814752.

It is an a-pointer prime, because the next prime (25741829) can be obtained adding 25741801 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22848400 + 2893401 = 4780^2 + 1701^2 .

It is a cyclic number.

It is not a de Polignac number, because 25741801 - 2¹ = 25741799 is a prime.

Together with 25741799, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25741801.

It is not a weakly prime, because it can be changed into another prime (25741841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12870900 + 12870901.

It is an arithmetic number, because the mean of its divisors is an integer number (12870901).

Almost surely, 2^25741801 is an apocalyptic number.

It is an amenable number.

25741801 is a deficient number, since it is larger than the sum of its proper divisors (1).

25741801 is an equidigital number, since it uses as much as digits as its factorization.

25741801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 25741801 is about 5073.6378467526. The cubic root of 25741801 is about 295.2656842316.

The spelling of 25741801 in words is "twenty-five million, seven hundred forty-one thousand, eight hundred one".