61230281 has 8 divisors (see below), whose sum is σ = 72390720. Its totient is φ = 50673168.

The previous prime is 61230271. The next prime is 61230287. The reversal of 61230281 is 18203216.

61230281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-61230281 is a prime.

It is a super-2 number, since 2×61230281² = 7498294622677922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61230287) 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, 150611 + ... + 151016.

It is an arithmetic number, because the mean of its divisors is an integer number (9048840).

Almost surely, 2^61230281 is an apocalyptic number.

It is an amenable number.

61230281 is a deficient number, since it is larger than the sum of its proper divisors (11160439).

61230281 is a wasteful number, since it uses less digits than its factorization.

61230281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301663.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 61230281 is about 7824.9780191385. The cubic root of 61230281 is about 394.1444517445.

Adding to 61230281 its reverse (18203216), we get a palindrome (79433497).

The spelling of 61230281 in words is "sixty-one million, two hundred thirty thousand, two hundred eighty-one".