25227641 has 2 divisors, whose sum is σ = 25227642. Its totient is φ = 25227640.

The previous prime is 25227617. The next prime is 25227659. The reversal of 25227641 is 14672252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14600041 + 10627600 = 3821^2 + 3260^2 .

It is a cyclic number.

It is not a de Polignac number, because 25227641 - 2¹⁸ = 24965497 is a prime.

It is not a weakly prime, because it can be changed into another prime (25220641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12613820 + 12613821.

It is an arithmetic number, because the mean of its divisors is an integer number (12613821).

Almost surely, 2^25227641 is an apocalyptic number.

It is an amenable number.

25227641 is a deficient number, since it is larger than the sum of its proper divisors (1).

25227641 is an equidigital number, since it uses as much as digits as its factorization.

25227641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 25227641 is about 5022.7125141700. The cubic root of 25227641 is about 293.2865953714.

Adding to 25227641 its reverse (14672252), we get a palindrome (39899893).

The spelling of 25227641 in words is "twenty-five million, two hundred twenty-seven thousand, six hundred forty-one".