11425431 has 4 divisors (see below), whose sum is σ = 15233912. Its totient is φ = 7616952.

The previous prime is 11425417. The next prime is 11425433. The reversal of 11425431 is 13452411.

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

It is not a de Polignac number, because 11425431 - 2⁵ = 11425399 is a prime.

It is a super-2 number, since 2×11425431² = 261080947071522, 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 = 11425398 and 11425407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11425433) 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, 1904236 + ... + 1904241.

It is an arithmetic number, because the mean of its divisors is an integer number (3808478).

Almost surely, 2^11425431 is an apocalyptic number.

11425431 is a deficient number, since it is larger than the sum of its proper divisors (3808481).

11425431 is an equidigital number, since it uses as much as digits as its factorization.

11425431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808480.

The product of its digits is 480, while the sum is 21.

The square root of 11425431 is about 3380.1525113521. The cubic root of 11425431 is about 225.2289422760.

Adding to 11425431 its reverse (13452411), we get a palindrome (24877842).

The spelling of 11425431 in words is "eleven million, four hundred twenty-five thousand, four hundred thirty-one".