30065133 has 16 divisors (see below), whose sum is σ = 47292416. Its totient is φ = 16625520.

The previous prime is 30065107. The next prime is 30065137. The reversal of 30065133 is 33156003.

It is not a de Polignac number, because 30065133 - 2⁶ = 30065069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30065137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22441 + ... + 23742.

It is an arithmetic number, because the mean of its divisors is an integer number (2955776).

Almost surely, 2^30065133 is an apocalyptic number.

It is an amenable number.

30065133 is a deficient number, since it is larger than the sum of its proper divisors (17227283).

30065133 is a wasteful number, since it uses less digits than its factorization.

30065133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46224.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 30065133 is about 5483.1681535404. The cubic root of 30065133 is about 310.9479584691.

The spelling of 30065133 in words is "thirty million, sixty-five thousand, one hundred thirty-three".