25342217 has 2 divisors, whose sum is σ = 25342218. Its totient is φ = 25342216.

The previous prime is 25342199. The next prime is 25342253. The reversal of 25342217 is 71224352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24364096 + 978121 = 4936^2 + 989^2 .

It is a cyclic number.

It is not a de Polignac number, because 25342217 - 2¹⁶ = 25276681 is a prime.

It is not a weakly prime, because it can be changed into another prime (25348217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12671108 + 12671109.

It is an arithmetic number, because the mean of its divisors is an integer number (12671109).

Almost surely, 2^25342217 is an apocalyptic number.

It is an amenable number.

25342217 is a deficient number, since it is larger than the sum of its proper divisors (1).

25342217 is an equidigital number, since it uses as much as digits as its factorization.

25342217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 26.

The square root of 25342217 is about 5034.1053822899. The cubic root of 25342217 is about 293.7299300004.

Adding to 25342217 its reverse (71224352), we get a palindrome (96566569).

The spelling of 25342217 in words is "twenty-five million, three hundred forty-two thousand, two hundred seventeen".