25532011 has 8 divisors (see below), whose sum is σ = 27275184. Its totient is φ = 23815680.

The previous prime is 25531999. The next prime is 25532027. The reversal of 25532011 is 11023552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25532011 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 25532011.

It is not an unprimeable number, because it can be changed into a prime (25532081) 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 in 7 ways as a sum of consecutive naturals, for example, 4725 + ... + 8566.

It is an arithmetic number, because the mean of its divisors is an integer number (3409398).

Almost surely, 2^25532011 is an apocalyptic number.

25532011 is a deficient number, since it is larger than the sum of its proper divisors (1743173).

25532011 is a wasteful number, since it uses less digits than its factorization.

25532011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13421.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 25532011 is about 5052.9210363907. The cubic root of 25532011 is about 294.4613785548.

Adding to 25532011 its reverse (11023552), we get a palindrome (36555563).

The spelling of 25532011 in words is "twenty-five million, five hundred thirty-two thousand, eleven".