61606233 has 24 divisors (see below), whose sum is σ = 97158152. Its totient is φ = 37387008.

The previous prime is 61606201. The next prime is 61606243. The reversal of 61606233 is 33260616.

It can be written as a sum of positive squares in 4 ways, for example, as 9809424 + 51796809 = 3132^2 + 7197^2 .

It is not a de Polignac number, because 61606233 - 2⁵ = 61606201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61606197 and 61606206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61606243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4935 + ... + 12147.

Almost surely, 2^61606233 is an apocalyptic number.

It is an amenable number.

61606233 is a deficient number, since it is larger than the sum of its proper divisors (35551919).

61606233 is a wasteful number, since it uses less digits than its factorization.

61606233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7305 (or 7302 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 61606233 is about 7848.9638169634. The cubic root of 61606233 is about 394.9494845404.

Adding to 61606233 its reverse (33260616), we get a palindrome (94866849).

The spelling of 61606233 in words is "sixty-one million, six hundred six thousand, two hundred thirty-three".