112531451 has 4 divisors (see below), whose sum is σ = 113221992. Its totient is φ = 111840912.

The previous prime is 112531439. The next prime is 112531453. The reversal of 112531451 is 154135211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154135211 = 491 ⋅313921.

It is a cyclic number.

It is not a de Polignac number, because 112531451 - 2¹⁰ = 112530427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112531453) 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, 345026 + ... + 345351.

It is an arithmetic number, because the mean of its divisors is an integer number (28305498).

Almost surely, 2^112531451 is an apocalyptic number.

112531451 is a deficient number, since it is larger than the sum of its proper divisors (690541).

112531451 is an equidigital number, since it uses as much as digits as its factorization.

112531451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690540.

The product of its digits is 600, while the sum is 23.

The square root of 112531451 is about 10608.0842285495. The cubic root of 112531451 is about 482.7896741952.

Adding to 112531451 its reverse (154135211), we get a palindrome (266666662).

The spelling of 112531451 in words is "one hundred twelve million, five hundred thirty-one thousand, four hundred fifty-one".