11525291 has 4 divisors (see below), whose sum is σ = 11633112. Its totient is φ = 11417472.

The previous prime is 11525281. The next prime is 11525317. The reversal of 11525291 is 19252511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19252511 = 673 ⋅28607.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11525291 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 11525291.

It is not an unprimeable number, because it can be changed into a prime (11525281) 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, 53750 + ... + 53963.

It is an arithmetic number, because the mean of its divisors is an integer number (2908278).

Almost surely, 2^11525291 is an apocalyptic number.

11525291 is a deficient number, since it is larger than the sum of its proper divisors (107821).

11525291 is a wasteful number, since it uses less digits than its factorization.

11525291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107820.

The product of its digits is 900, while the sum is 26.

The square root of 11525291 is about 3394.8918981317. The cubic root of 11525291 is about 225.8832181784.

The spelling of 11525291 in words is "eleven million, five hundred twenty-five thousand, two hundred ninety-one".