30154061 has 6 divisors (see below), whose sum is σ = 35077230. Its totient is φ = 25846296.

The previous prime is 30154049. The next prime is 30154079. The reversal of 30154061 is 16045103.

It can be written as a sum of positive squares in only one way, i.e., 17056900 + 13097161 = 4130^2 + 3619^2 .

It is not a de Polignac number, because 30154061 - 2¹⁰ = 30153037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30154031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307646 + ... + 307743.

It is an arithmetic number, because the mean of its divisors is an integer number (5846205).

Almost surely, 2^30154061 is an apocalyptic number.

It is an amenable number.

30154061 is a deficient number, since it is larger than the sum of its proper divisors (4923169).

30154061 is an equidigital number, since it uses as much as digits as its factorization.

30154061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615403 (or 615396 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 30154061 is about 5491.2713464188. The cubic root of 30154061 is about 311.2542353042.

Adding to 30154061 its reverse (16045103), we get a palindrome (46199164).

The spelling of 30154061 in words is "thirty million, one hundred fifty-four thousand, sixty-one".