25241401 has 2 divisors, whose sum is σ = 25241402. Its totient is φ = 25241400.

The previous prime is 25241389. The next prime is 25241431. The reversal of 25241401 is 10414252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18481401 + 6760000 = 4299^2 + 2600^2 .

It is a cyclic number.

It is not a de Polignac number, because 25241401 - 2⁷ = 25241273 is a prime.

It is not a weakly prime, because it can be changed into another prime (25241431) 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, 12620700 + 12620701.

It is an arithmetic number, because the mean of its divisors is an integer number (12620701).

Almost surely, 2^25241401 is an apocalyptic number.

It is an amenable number.

25241401 is a deficient number, since it is larger than the sum of its proper divisors (1).

25241401 is an equidigital number, since it uses as much as digits as its factorization.

25241401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 25241401 is about 5024.0821052208. The cubic root of 25241401 is about 293.3399084557.

Adding to 25241401 its reverse (10414252), we get a palindrome (35655653).

The spelling of 25241401 in words is "twenty-five million, two hundred forty-one thousand, four hundred one".