25226473 has 2 divisors, whose sum is σ = 25226474. Its totient is φ = 25226472.

The previous prime is 25226449. The next prime is 25226483. The reversal of 25226473 is 37462252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23299929 + 1926544 = 4827^2 + 1388^2 .

It is a cyclic number.

It is not a de Polignac number, because 25226473 - 2⁹ = 25225961 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (25226413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12613236 + 12613237.

It is an arithmetic number, because the mean of its divisors is an integer number (12613237).

Almost surely, 2^25226473 is an apocalyptic number.

It is an amenable number.

25226473 is a deficient number, since it is larger than the sum of its proper divisors (1).

25226473 is an equidigital number, since it uses as much as digits as its factorization.

25226473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 31.

The square root of 25226473 is about 5022.5962409893. The cubic root of 25226473 is about 293.2820690659.

The spelling of 25226473 in words is "twenty-five million, two hundred twenty-six thousand, four hundred seventy-three".