30112497 has 12 divisors (see below), whose sum is σ = 45387264. Its totient is φ = 19202040.

The previous prime is 30112471. The next prime is 30112499. The reversal of 30112497 is 79421103.

It is not a de Polignac number, because 30112497 - 2¹⁵ = 30079729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30112497.

It is not an unprimeable number, because it can be changed into a prime (30112499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72529 + ... + 72942.

It is an arithmetic number, because the mean of its divisors is an integer number (3782272).

Almost surely, 2^30112497 is an apocalyptic number.

It is an amenable number.

30112497 is a deficient number, since it is larger than the sum of its proper divisors (15274767).

30112497 is a wasteful number, since it uses less digits than its factorization.

30112497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145500 (or 145497 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 30112497 is about 5487.4854897302. The cubic root of 30112497 is about 311.1111598309. Note that the first 4 decimals are identical.

The spelling of 30112497 in words is "thirty million, one hundred twelve thousand, four hundred ninety-seven".