61230216 has 32 divisors (see below), whose sum is σ = 154002240. Its totient is φ = 20286528.

The previous prime is 61230203. The next prime is 61230233. The reversal of 61230216 is 61203216.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 61230192 and 61230201.

It is an unprimeable number.

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, 3631 + ... + 11646.

It is an arithmetic number, because the mean of its divisors is an integer number (4812570).

Almost surely, 2^61230216 is an apocalyptic number.

It is an amenable number.

61230216 is an abundant number, since it is smaller than the sum of its proper divisors (92772024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61230216 is a wasteful number, since it uses less digits than its factorization.

61230216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15453 (or 15449 counting only the distinct ones).

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

The square root of 61230216 is about 7824.9738657711. The cubic root of 61230216 is about 394.1443122743.

Subtracting from 61230216 its reverse (61203216), we obtain a cube (27000 = 30³).

The spelling of 61230216 in words is "sixty-one million, two hundred thirty thousand, two hundred sixteen".