25358401 has 2 divisors, whose sum is σ = 25358402. Its totient is φ = 25358400.

The previous prime is 25358387. The next prime is 25358453. The reversal of 25358401 is 10485352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21160000 + 4198401 = 4600^2 + 2049^2 .

It is a cyclic number.

It is not a de Polignac number, because 25358401 - 2⁷ = 25358273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25358401.

It is not a weakly prime, because it can be changed into another prime (25358491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12679200 + 12679201.

It is an arithmetic number, because the mean of its divisors is an integer number (12679201).

Almost surely, 2^25358401 is an apocalyptic number.

It is an amenable number.

25358401 is a deficient number, since it is larger than the sum of its proper divisors (1).

25358401 is an equidigital number, since it uses as much as digits as its factorization.

25358401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 25358401 is about 5035.7125612966. The cubic root of 25358401 is about 293.7924437840.

The spelling of 25358401 in words is "twenty-five million, three hundred fifty-eight thousand, four hundred one".