25525223 has 2 divisors, whose sum is σ = 25525224. Its totient is φ = 25525222.

The previous prime is 25525127. The next prime is 25525237. The reversal of 25525223 is 32252552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25525223 - 2¹² = 25521127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25525192 and 25525201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25525243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12762611 + 12762612.

It is an arithmetic number, because the mean of its divisors is an integer number (12762612).

Almost surely, 2^25525223 is an apocalyptic number.

25525223 is a deficient number, since it is larger than the sum of its proper divisors (1).

25525223 is an equidigital number, since it uses as much as digits as its factorization.

25525223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 26.

The square root of 25525223 is about 5052.2493010539. The cubic root of 25525223 is about 294.4352808456.

Adding to 25525223 its reverse (32252552), we get a palindrome (57777775).

The spelling of 25525223 in words is "twenty-five million, five hundred twenty-five thousand, two hundred twenty-three".