11525947 has 4 divisors (see below), whose sum is σ = 11610216. Its totient is φ = 11441680.

The previous prime is 11525939. The next prime is 11525953. The reversal of 11525947 is 74952511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74952511 = 19 ⋅3944869.

It is a cyclic number.

It is not a de Polignac number, because 11525947 - 2³ = 11525939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11525957) 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, 41929 + ... + 42202.

It is an arithmetic number, because the mean of its divisors is an integer number (2902554).

Almost surely, 2^11525947 is an apocalyptic number.

11525947 is a deficient number, since it is larger than the sum of its proper divisors (84269).

11525947 is an equidigital number, since it uses as much as digits as its factorization.

11525947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84268.

The product of its digits is 12600, while the sum is 34.

The square root of 11525947 is about 3394.9885124990. The cubic root of 11525947 is about 225.8875037268.

It can be divided in two parts, 115 and 25947, that added together give a palindrome (26062).

The spelling of 11525947 in words is "eleven million, five hundred twenty-five thousand, nine hundred forty-seven".