25263313 has 2 divisors, whose sum is σ = 25263314. Its totient is φ = 25263312.

The previous prime is 25263289. The next prime is 25263319. The reversal of 25263313 is 31336252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20142144 + 5121169 = 4488^2 + 2263^2 .

It is a cyclic number.

It is not a de Polignac number, because 25263313 - 2⁵ = 25263281 is a prime.

It is not a weakly prime, because it can be changed into another prime (25263319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12631656 + 12631657.

It is an arithmetic number, because the mean of its divisors is an integer number (12631657).

Almost surely, 2^25263313 is an apocalyptic number.

It is an amenable number.

25263313 is a deficient number, since it is larger than the sum of its proper divisors (1).

25263313 is an equidigital number, since it uses as much as digits as its factorization.

25263313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 25.

The square root of 25263313 is about 5026.2623290075. The cubic root of 25263313 is about 293.4247664637.

Adding to 25263313 its reverse (31336252), we get a palindrome (56599565).

It can be divided in two parts, 2526 and 3313, that multiplied together give a palindrome (8368638).

The spelling of 25263313 in words is "twenty-five million, two hundred sixty-three thousand, three hundred thirteen".