112505531 has 2 divisors, whose sum is σ = 112505532. Its totient is φ = 112505530.

The previous prime is 112505527. The next prime is 112505537. The reversal of 112505531 is 135505211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112505531 - 2² = 112505527 is a prime.

It is a super-2 number, since 2×112505531² = 25314989011183922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 112505497 and 112505506.

It is not a weakly prime, because it can be changed into another prime (112505537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56252765 + 56252766.

It is an arithmetic number, because the mean of its divisors is an integer number (56252766).

Almost surely, 2^112505531 is an apocalyptic number.

112505531 is a deficient number, since it is larger than the sum of its proper divisors (1).

112505531 is an equidigital number, since it uses as much as digits as its factorization.

112505531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 112505531 is about 10606.8624484340. The cubic root of 112505531 is about 482.7526034647.

The spelling of 112505531 in words is "one hundred twelve million, five hundred five thousand, five hundred thirty-one".