112501531 has 2 divisors, whose sum is σ = 112501532. Its totient is φ = 112501530.

The previous prime is 112501481. The next prime is 112501537. The reversal of 112501531 is 135105211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112501531 is a prime.

It is a super-2 number, since 2×112501531² = 25313188954687922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112501499 and 112501508.

It is not a weakly prime, because it can be changed into another prime (112501537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56250765 + 56250766.

It is an arithmetic number, because the mean of its divisors is an integer number (56250766).

Almost surely, 2^112501531 is an apocalyptic number.

112501531 is a deficient number, since it is larger than the sum of its proper divisors (1).

112501531 is an equidigital number, since it uses as much as digits as its factorization.

112501531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 112501531 is about 10606.6738895848. The cubic root of 112501531 is about 482.7468821658.

Adding to 112501531 its reverse (135105211), we get a palindrome (247606742).

The spelling of 112501531 in words is "one hundred twelve million, five hundred one thousand, five hundred thirty-one".