25522313 has 2 divisors, whose sum is σ = 25522314. Its totient is φ = 25522312.

The previous prime is 25522307. The next prime is 25522369. The reversal of 25522313 is 31322552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17749369 + 7772944 = 4213^2 + 2788^2 .

It is a cyclic number.

It is not a de Polignac number, because 25522313 - 2¹⁴ = 25505929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (25522373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12761156 + 12761157.

It is an arithmetic number, because the mean of its divisors is an integer number (12761157).

Almost surely, 2^25522313 is an apocalyptic number.

It is an amenable number.

25522313 is a deficient number, since it is larger than the sum of its proper divisors (1).

25522313 is an equidigital number, since it uses as much as digits as its factorization.

25522313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 23.

The square root of 25522313 is about 5051.9613023063. The cubic root of 25522313 is about 294.4240914007.

Adding to 25522313 its reverse (31322552), we get a palindrome (56844865).

The spelling of 25522313 in words is "twenty-five million, five hundred twenty-two thousand, three hundred thirteen".