61333375 has 16 divisors (see below), whose sum is σ = 76901760. Its totient is φ = 48837600.

The previous prime is 61333373. The next prime is 61333403. The reversal of 61333375 is 57333316.

It is not a de Polignac number, because 61333375 - 2¹ = 61333373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61333373) 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, 28849 + ... + 30901.

It is an arithmetic number, because the mean of its divisors is an integer number (4806360).

Almost surely, 2^61333375 is an apocalyptic number.

61333375 is a deficient number, since it is larger than the sum of its proper divisors (15568385).

61333375 is a wasteful number, since it uses less digits than its factorization.

61333375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307 (or 2297 counting only the distinct ones).

The product of its digits is 17010, while the sum is 31.

The square root of 61333375 is about 7831.5627431567. The cubic root of 61333375 is about 394.3655359505.

The spelling of 61333375 in words is "sixty-one million, three hundred thirty-three thousand, three hundred seventy-five".