61149333 has 16 divisors (see below), whose sum is σ = 94939776. Its totient is φ = 34282560.

The previous prime is 61149307. The next prime is 61149343. The reversal of 61149333 is 33394116.

It is not a de Polignac number, because 61149333 - 2¹⁴ = 61132949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61149333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61149343) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 26358 + ... + 28583.

It is an arithmetic number, because the mean of its divisors is an integer number (5933736).

Almost surely, 2^61149333 is an apocalyptic number.

It is an amenable number.

61149333 is a deficient number, since it is larger than the sum of its proper divisors (33790443).

61149333 is a wasteful number, since it uses less digits than its factorization.

61149333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55004.

The product of its digits is 5832, while the sum is 30.

The square root of 61149333 is about 7819.8038977969. The cubic root of 61149333 is about 393.9706854602.

The spelling of 61149333 in words is "sixty-one million, one hundred forty-nine thousand, three hundred thirty-three".