25228711 has 2 divisors, whose sum is σ = 25228712. Its totient is φ = 25228710.

The previous prime is 25228691. The next prime is 25228733. The reversal of 25228711 is 11782252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25228711 - 2⁹ = 25228199 is a prime.

It is equal to p_1579303 and since 25228711 and 1579303 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 25228711.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25228211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12614355 + 12614356.

It is an arithmetic number, because the mean of its divisors is an integer number (12614356).

Almost surely, 2^25228711 is an apocalyptic number.

25228711 is a deficient number, since it is larger than the sum of its proper divisors (1).

25228711 is an equidigital number, since it uses as much as digits as its factorization.

25228711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2240, while the sum is 28.

The square root of 25228711 is about 5022.8190291907. The cubic root of 25228711 is about 293.2907417787.

The spelling of 25228711 in words is "twenty-five million, two hundred twenty-eight thousand, seven hundred eleven".