25262011 has 2 divisors, whose sum is σ = 25262012. Its totient is φ = 25262010.

The previous prime is 25261997. The next prime is 25262021. The reversal of 25262011 is 11026252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25262011 - 2²³ = 16873403 is a prime.

It is equal to p_1581220 and since 25262011 and 1581220 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25262011.

It is not a weakly prime, because it can be changed into another prime (25262021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12631005 + 12631006.

It is an arithmetic number, because the mean of its divisors is an integer number (12631006).

Almost surely, 2^25262011 is an apocalyptic number.

25262011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25262011 is an equidigital number, since it uses as much as digits as its factorization.

25262011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 25262011 is about 5026.1328076365. The cubic root of 25262011 is about 293.4197256151.

Adding to 25262011 its reverse (11026252), we get a palindrome (36288263).

The spelling of 25262011 in words is "twenty-five million, two hundred sixty-two thousand, eleven".