30002061 has 4 divisors (see below), whose sum is σ = 40002752. Its totient is φ = 20001372.

The previous prime is 30002047. The next prime is 30002069. The reversal of 30002061 is 16020003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30002061 - 2⁵ = 30002029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30002069) 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, 5000341 + ... + 5000346.

It is an arithmetic number, because the mean of its divisors is an integer number (10000688).

Almost surely, 2^30002061 is an apocalyptic number.

It is an amenable number.

30002061 is a deficient number, since it is larger than the sum of its proper divisors (10000691).

30002061 is a wasteful number, since it uses less digits than its factorization.

30002061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000690.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 30002061 is about 5477.4137145189. The cubic root of 30002061 is about 310.7303659949.

Adding to 30002061 its reverse (16020003), we get a palindrome (46022064).

The spelling of 30002061 in words is "thirty million, two thousand, sixty-one".