61383275 has 12 divisors (see below), whose sum is σ = 77553072. Its totient is φ = 48179040.

The previous prime is 61383271. The next prime is 61383299. The reversal of 61383275 is 57238316.

61383275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61383275 - 2² = 61383271 is a prime.

It is a super-3 number, since 3×61383275³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61383271) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 21839 + ... + 24488.

It is an arithmetic number, because the mean of its divisors is an integer number (6462756).

Almost surely, 2^61383275 is an apocalyptic number.

61383275 is a deficient number, since it is larger than the sum of its proper divisors (16169797).

61383275 is a wasteful number, since it uses less digits than its factorization.

61383275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46390 (or 46385 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 61383275 is about 7834.7479219181. The cubic root of 61383275 is about 394.4724571052.

The spelling of 61383275 in words is "sixty-one million, three hundred eighty-three thousand, two hundred seventy-five".