25226011 has 4 divisors (see below), whose sum is σ = 26709912. Its totient is φ = 23742112.

The previous prime is 25225997. The next prime is 25226017. The reversal of 25226011 is 11062252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25226011 - 2¹⁹ = 24701723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25226011.

It is not an unprimeable number, because it can be changed into a prime (25226017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 741925 + ... + 741958.

It is an arithmetic number, because the mean of its divisors is an integer number (6677478).

Almost surely, 2^25226011 is an apocalyptic number.

25226011 is a deficient number, since it is larger than the sum of its proper divisors (1483901).

25226011 is a wasteful number, since it uses less digits than its factorization.

25226011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483900.

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

The square root of 25226011 is about 5022.5502486287. The cubic root of 25226011 is about 293.2802786565.

Adding to 25226011 its reverse (11062252), we get a palindrome (36288263).

The spelling of 25226011 in words is "twenty-five million, two hundred twenty-six thousand, eleven".