30845497 has 8 divisors (see below), whose sum is σ = 32951016. Its totient is φ = 28772352.

The previous prime is 30845467. The next prime is 30845509. The reversal of 30845497 is 79454803.

It can be written as a sum of positive squares in 4 ways, for example, as 1132096 + 29713401 = 1064^2 + 5451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30845497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30845447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6108 + ... + 9949.

It is an arithmetic number, because the mean of its divisors is an integer number (4118877).

Almost surely, 2^30845497 is an apocalyptic number.

It is an amenable number.

30845497 is a deficient number, since it is larger than the sum of its proper divisors (2105519).

30845497 is a wasteful number, since it uses less digits than its factorization.

30845497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16187.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 30845497 is about 5553.8722527620. The cubic root of 30845497 is about 313.6153111505.

The spelling of 30845497 in words is "thirty million, eight hundred forty-five thousand, four hundred ninety-seven".