30945365 has 16 divisors (see below), whose sum is σ = 41501376. Its totient is φ = 21955200.

The previous prime is 30945359. The next prime is 30945377. The reversal of 30945365 is 56354903.

It is not a de Polignac number, because 30945365 - 2¹⁴ = 30928981 is a prime.

It is a super-2 number, since 2×30945365² = 1915231229966450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4607 + ... + 9116.

It is an arithmetic number, because the mean of its divisors is an integer number (2593836).

Almost surely, 2^30945365 is an apocalyptic number.

It is an amenable number.

30945365 is a deficient number, since it is larger than the sum of its proper divisors (10556011).

30945365 is a wasteful number, since it uses less digits than its factorization.

30945365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13780.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 30945365 is about 5562.8558313154. The cubic root of 30945365 is about 313.9534090473.

The spelling of 30945365 in words is "thirty million, nine hundred forty-five thousand, three hundred sixty-five".