30852865 has 12 divisors (see below), whose sum is σ = 39076884. Its totient is φ = 23381856.

The previous prime is 30852863. The next prime is 30852881. The reversal of 30852865 is 56825803.

It can be written as a sum of positive squares in 2 ways, for example, as 14010049 + 16842816 = 3743^2 + 4104^2 .

It is not a de Polignac number, because 30852865 - 2¹ = 30852863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30852863) 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, 6742 + ... + 10351.

It is an arithmetic number, because the mean of its divisors is an integer number (3256407).

Almost surely, 2^30852865 is an apocalyptic number.

It is an amenable number.

30852865 is a deficient number, since it is larger than the sum of its proper divisors (8224019).

30852865 is a wasteful number, since it uses less digits than its factorization.

30852865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17136 (or 17117 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 30852865 is about 5554.5355341378. The cubic root of 30852865 is about 313.6402800425.

The spelling of 30852865 in words is "thirty million, eight hundred fifty-two thousand, eight hundred sixty-five".