61675255 has 4 divisors (see below), whose sum is σ = 74010312. Its totient is φ = 49340200.

The previous prime is 61675247. The next prime is 61675261. The reversal of 61675255 is 55257616.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61675255 - 2³ = 61675247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6167521 + ... + 6167530.

It is an arithmetic number, because the mean of its divisors is an integer number (18502578).

Almost surely, 2^61675255 is an apocalyptic number.

61675255 is a deficient number, since it is larger than the sum of its proper divisors (12335057).

61675255 is a wasteful number, since it uses less digits than its factorization.

61675255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12335056.

The product of its digits is 63000, while the sum is 37.

The square root of 61675255 is about 7853.3594722259. The cubic root of 61675255 is about 395.0969264890.

The spelling of 61675255 in words is "sixty-one million, six hundred seventy-five thousand, two hundred fifty-five".