30501066 has 8 divisors (see below), whose sum is σ = 61002144. Its totient is φ = 10167020.

The previous prime is 30501001. The next prime is 30501109. The reversal of 30501066 is 66010503.

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

30501066 is an admirable number.

It is a super-3 number, since 3×30501066³ (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541750 + ... + 2541761.

It is an arithmetic number, because the mean of its divisors is an integer number (7625268).

Almost surely, 2^30501066 is an apocalyptic number.

30501066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30501066 is a wasteful number, since it uses less digits than its factorization.

30501066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083516.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 30501066 is about 5522.7770188556. Note that the first 3 decimals coincide. The cubic root of 30501066 is about 312.4436284451.

Adding to 30501066 its reverse (66010503), we get a palindrome (96511569).

The spelling of 30501066 in words is "thirty million, five hundred one thousand, sixty-six".