11250431 has 4 divisors (see below), whose sum is σ = 11259000. Its totient is φ = 11241864.

The previous prime is 11250419. The next prime is 11250433. The reversal of 11250431 is 13405211.

11250431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13405211 = 37 ⋅362303.

It is a cyclic number.

It is not a de Polignac number, because 11250431 - 2⁶ = 11250367 is a prime.

It is a super-2 number, since 2×11250431² = 253144395371522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11250433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1856 + ... + 5093.

It is an arithmetic number, because the mean of its divisors is an integer number (2814750).

Almost surely, 2^11250431 is an apocalyptic number.

11250431 is a deficient number, since it is larger than the sum of its proper divisors (8569).

11250431 is an equidigital number, since it uses as much as digits as its factorization.

11250431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8568.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11250431 is about 3354.1662153209. The cubic root of 11250431 is about 224.0730987512.

Adding to 11250431 its reverse (13405211), we get a palindrome (24655642).

The spelling of 11250431 in words is "eleven million, two hundred fifty thousand, four hundred thirty-one".