11527457 has 4 divisors (see below), whose sum is σ = 11570580. Its totient is φ = 11484336.

The previous prime is 11527427. The next prime is 11527459. The reversal of 11527457 is 75472511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75472511 = 1279 ⋅59009.

It can be written as a sum of positive squares in 2 ways, for example, as 7134241 + 4393216 = 2671^2 + 2096^2 .

It is a cyclic number.

It is not a de Polignac number, because 11527457 - 2¹² = 11523361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11527459) 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 3 ways as a sum of consecutive naturals, for example, 21158 + ... + 21695.

It is an arithmetic number, because the mean of its divisors is an integer number (2892645).

Almost surely, 2^11527457 is an apocalyptic number.

It is an amenable number.

11527457 is a deficient number, since it is larger than the sum of its proper divisors (43123).

11527457 is an equidigital number, since it uses as much as digits as its factorization.

11527457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43122.

The product of its digits is 9800, while the sum is 32.

The square root of 11527457 is about 3395.2108918298. The cubic root of 11527457 is about 225.8973677098.

Adding to 11527457 its reverse (75472511), we get a palindrome (86999968).

It can be divided in two parts, 115 and 27457, that added together give a palindrome (27572).

The spelling of 11527457 in words is "eleven million, five hundred twenty-seven thousand, four hundred fifty-seven".