25223347 has 2 divisors, whose sum is σ = 25223348. Its totient is φ = 25223346.

The previous prime is 25223339. The next prime is 25223351. The reversal of 25223347 is 74332252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25223347 - 2³ = 25223339 is a prime.

It is not a weakly prime, because it can be changed into another prime (25223447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12611673 + 12611674.

It is an arithmetic number, because the mean of its divisors is an integer number (12611674).

Almost surely, 2^25223347 is an apocalyptic number.

25223347 is a deficient number, since it is larger than the sum of its proper divisors (1).

25223347 is an equidigital number, since it uses as much as digits as its factorization.

25223347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 28.

The square root of 25223347 is about 5022.2850377094. The cubic root of 25223347 is about 293.2699543109.

Adding to 25223347 its reverse (74332252), we get a palindrome (99555599).

The spelling of 25223347 in words is "twenty-five million, two hundred twenty-three thousand, three hundred forty-seven".