11425287 has 4 divisors (see below), whose sum is σ = 15233720. Its totient is φ = 7616856.

The previous prime is 11425261. The next prime is 11425313. The reversal of 11425287 is 78252411.

11425287 is digitally balanced in base 2, 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.

It is an interprime number because it is at equal distance from previous prime (11425261) and next prime (11425313).

It is not a de Polignac number, because 11425287 - 2⁶ = 11425223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11425387) 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, 1904212 + ... + 1904217.

It is an arithmetic number, because the mean of its divisors is an integer number (3808430).

Almost surely, 2^11425287 is an apocalyptic number.

11425287 is a deficient number, since it is larger than the sum of its proper divisors (3808433).

11425287 is an equidigital number, since it uses as much as digits as its factorization.

11425287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808432.

The product of its digits is 4480, while the sum is 30.

The square root of 11425287 is about 3380.1312104710. The cubic root of 11425287 is about 225.2279960505.

Adding to 11425287 its reverse (78252411), we get a palindrome (89677698).

The spelling of 11425287 in words is "eleven million, four hundred twenty-five thousand, two hundred eighty-seven".