3013021897 has 4 divisors (see below), whose sum is σ = 3013404100. Its totient is φ = 3012639696.

The previous prime is 3013021883. The next prime is 3013021901. The reversal of 3013021897 is 7981203103.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2332020681 + 681001216 = 48291^2 + 26096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3013021897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3013024897) 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, 179022 + ... + 195127.

It is an arithmetic number, because the mean of its divisors is an integer number (753351025).

Almost surely, 2^3013021897 is an apocalyptic number.

It is an amenable number.

3013021897 is a deficient number, since it is larger than the sum of its proper divisors (382203).

3013021897 is an equidigital number, since it uses as much as digits as its factorization.

3013021897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382202.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 3013021897 is about 54891.0001457434. Note that the first 3 decimals coincide. The cubic root of 3013021897 is about 1444.3333166562. Note that the first 4 decimals are identical.

The spelling of 3013021897 in words is "three billion, thirteen million, twenty-one thousand, eight hundred ninety-seven".