30475061 has 4 divisors (see below), whose sum is σ = 30486432. Its totient is φ = 30463692.

The previous prime is 30475057. The next prime is 30475073. The reversal of 30475061 is 16057403.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30475061 - 2² = 30475057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30475061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30475021) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 806 + ... + 7848.

It is an arithmetic number, because the mean of its divisors is an integer number (7621608).

Almost surely, 2^30475061 is an apocalyptic number.

It is an amenable number.

30475061 is a deficient number, since it is larger than the sum of its proper divisors (11371).

30475061 is an equidigital number, since it uses as much as digits as its factorization.

30475061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11370.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 30475061 is about 5520.4221758847. The cubic root of 30475061 is about 312.3548074316.

The spelling of 30475061 in words is "thirty million, four hundred seventy-five thousand, sixty-one".