61536233 has 16 divisors (see below), whose sum is σ = 69595200. Its totient is φ = 53926080.

The previous prime is 61536187. The next prime is 61536239. The reversal of 61536233 is 33263516.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 61536233 - 2⁸ = 61535977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61536196 and 61536205.

It is not an unprimeable number, because it can be changed into a prime (61536239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33503 + ... + 35291.

It is an arithmetic number, because the mean of its divisors is an integer number (4349700).

Almost surely, 2^61536233 is an apocalyptic number.

It is an amenable number.

61536233 is a deficient number, since it is larger than the sum of its proper divisors (8058967).

61536233 is a wasteful number, since it uses less digits than its factorization.

61536233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912.

The product of its digits is 9720, while the sum is 29.

The square root of 61536233 is about 7844.5033622276. The cubic root of 61536233 is about 394.7998409071.

Adding to 61536233 its reverse (33263516), we get a palindrome (94799749).

The spelling of 61536233 in words is "sixty-one million, five hundred thirty-six thousand, two hundred thirty-three".