25477223 has 2 divisors, whose sum is σ = 25477224. Its totient is φ = 25477222.

The previous prime is 25477217. The next prime is 25477241. The reversal of 25477223 is 32277452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25477223 - 2⁶ = 25477159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25477223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25477213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12738611 + 12738612.

It is an arithmetic number, because the mean of its divisors is an integer number (12738612).

Almost surely, 2^25477223 is an apocalyptic number.

25477223 is a deficient number, since it is larger than the sum of its proper divisors (1).

25477223 is an equidigital number, since it uses as much as digits as its factorization.

25477223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 32.

The square root of 25477223 is about 5047.4967062892. The cubic root of 25477223 is about 294.2506038866.

It can be divided in two parts, 254 and 77223, that added together give a palindrome (77477).

The spelling of 25477223 in words is "twenty-five million, four hundred seventy-seven thousand, two hundred twenty-three".