30216461 has 8 divisors (see below), whose sum is σ = 33003264. Its totient is φ = 27436320.

The previous prime is 30216443. The next prime is 30216469. The reversal of 30216461 is 16461203.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30216461 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 (30216469) 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 7 ways as a sum of consecutive naturals, for example, 16361 + ... + 18113.

It is an arithmetic number, because the mean of its divisors is an integer number (4125408).

Almost surely, 2^30216461 is an apocalyptic number.

It is an amenable number.

30216461 is a deficient number, since it is larger than the sum of its proper divisors (2786803).

30216461 is a wasteful number, since it uses less digits than its factorization.

30216461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 30216461 is about 5496.9501544038. The cubic root of 30216461 is about 311.4687877472.

Adding to 30216461 its reverse (16461203), we get a palindrome (46677664).

The spelling of 30216461 in words is "thirty million, two hundred sixteen thousand, four hundred sixty-one".