25223329 has 2 divisors, whose sum is σ = 25223330. Its totient is φ = 25223328.

The previous prime is 25223311. The next prime is 25223333. The reversal of 25223329 is 92332252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18190225 + 7033104 = 4265^2 + 2652^2 .

It is a cyclic number.

It is not a de Polignac number, because 25223329 - 2¹³ = 25215137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25223297 and 25223306.

It is not a weakly prime, because it can be changed into another prime (25223309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12611664 + 12611665.

It is an arithmetic number, because the mean of its divisors is an integer number (12611665).

Almost surely, 2^25223329 is an apocalyptic number.

It is an amenable number.

25223329 is a deficient number, since it is larger than the sum of its proper divisors (1).

25223329 is an equidigital number, since it uses as much as digits as its factorization.

25223329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 25223329 is about 5022.2832456961. The cubic root of 25223329 is about 293.2698845493.

It can be divided in two parts, 25223 and 329, that added together give a palindrome (25552).

The spelling of 25223329 in words is "twenty-five million, two hundred twenty-three thousand, three hundred twenty-nine".