30262161 has 8 divisors (see below), whose sum is σ = 41011264. Its totient is φ = 19843920.

The previous prime is 30262097. The next prime is 30262163. The reversal of 30262161 is 16126203.

It is a happy number.

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

It is not a de Polignac number, because 30262161 - 2⁶ = 30262097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30262163) 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 7 ways as a sum of consecutive naturals, for example, 82501 + ... + 82866.

It is an arithmetic number, because the mean of its divisors is an integer number (5126408).

Almost surely, 2^30262161 is an apocalyptic number.

It is an amenable number.

30262161 is a deficient number, since it is larger than the sum of its proper divisors (10749103).

30262161 is a wasteful number, since it uses less digits than its factorization.

30262161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165431.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 30262161 is about 5501.1054343650. The cubic root of 30262161 is about 311.6257325951.

Adding to 30262161 its reverse (16126203), we get a palindrome (46388364).

The spelling of 30262161 in words is "thirty million, two hundred sixty-two thousand, one hundred sixty-one".