25376401 has 2 divisors, whose sum is σ = 25376402. Its totient is φ = 25376400.

The previous prime is 25376389. The next prime is 25376411. The reversal of 25376401 is 10467352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17808400 + 7568001 = 4220^2 + 2751^2 .

It is a cyclic number.

It is not a de Polignac number, because 25376401 - 2²³ = 16987793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25376401.

It is not a weakly prime, because it can be changed into another prime (25376411) 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, 12688200 + 12688201.

It is an arithmetic number, because the mean of its divisors is an integer number (12688201).

Almost surely, 2^25376401 is an apocalyptic number.

It is an amenable number.

25376401 is a deficient number, since it is larger than the sum of its proper divisors (1).

25376401 is an equidigital number, since it uses as much as digits as its factorization.

25376401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 25376401 is about 5037.4994789082. The cubic root of 25376401 is about 293.8619409793.

The spelling of 25376401 in words is "twenty-five million, three hundred seventy-six thousand, four hundred one".