61133236 has 24 divisors (see below), whose sum is σ = 108419976. Its totient is φ = 30159360.

The previous prime is 61133227. The next prime is 61133243. The reversal of 61133236 is 63233116.

61133236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 20250000 + 40883236 = 4500^2 + 6394^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 61133236.

It is a congruent number.

It is an unprimeable number.

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, 153790 + ... + 154186.

It is an arithmetic number, because the mean of its divisors is an integer number (4517499).

Almost surely, 2^61133236 is an apocalyptic number.

It is an amenable number.

61133236 is a deficient number, since it is larger than the sum of its proper divisors (47286740).

61133236 is a wasteful number, since it uses less digits than its factorization.

61133236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 817 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

The square root of 61133236 is about 7818.7745842939. The cubic root of 61133236 is about 393.9361127054.

The spelling of 61133236 in words is "sixty-one million, one hundred thirty-three thousand, two hundred thirty-six".