1113423425 has 24 divisors (see below), whose sum is σ = 1422435000. Its totient is φ = 863930880.

The previous prime is 1113423413. The next prime is 1113423431. The reversal of 1113423425 is 5243243111.

It is a happy number.

It is a Cunningham number, because it is equal to 33368²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 296149681 + 817273744 = 17209^2 + 28588^2 .

It is not a de Polignac number, because 1113423425 - 2²⁴ = 1096646209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1113423394 and 1113423403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321101 + ... + 324549.

It is an arithmetic number, because the mean of its divisors is an integer number (59268125).

Almost surely, 2^1113423425 is an apocalyptic number.

It is an amenable number.

1113423425 is a deficient number, since it is larger than the sum of its proper divisors (309011575).

1113423425 is a wasteful number, since it uses less digits than its factorization.

1113423425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845 (or 3840 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 1113423425 is about 33368.0000149844. Note that the first 4 decimals coincide. The cubic root of 1113423425 is about 1036.4621605026.

Adding to 1113423425 its reverse (5243243111), we get a palindrome (6356666536).

The spelling of 1113423425 in words is "one billion, one hundred thirteen million, four hundred twenty-three thousand, four hundred twenty-five".