11525331 has 4 divisors (see below), whose sum is σ = 15367112. Its totient is φ = 7683552.

The previous prime is 11525329. The next prime is 11525347. The reversal of 11525331 is 13352511.

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

It is not a de Polignac number, because 11525331 - 2¹ = 11525329 is a prime.

It is a super-2 number, since 2×11525331² = 265666509319122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11525298 and 11525307.

It is not an unprimeable number, because it can be changed into a prime (11525321) 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, 1920886 + ... + 1920891.

It is an arithmetic number, because the mean of its divisors is an integer number (3841778).

Almost surely, 2^11525331 is an apocalyptic number.

11525331 is a deficient number, since it is larger than the sum of its proper divisors (3841781).

11525331 is an equidigital number, since it uses as much as digits as its factorization.

11525331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841780.

The product of its digits is 450, while the sum is 21.

The square root of 11525331 is about 3394.8977893303. The cubic root of 11525331 is about 225.8834794969.

Adding to 11525331 its reverse (13352511), we get a palindrome (24877842).

The spelling of 11525331 in words is "eleven million, five hundred twenty-five thousand, three hundred thirty-one".