61995 has 8 divisors (see below), whose sum is σ = 99216. Its totient is φ = 33056.

The previous prime is 61991. The next prime is 62003. The reversal of 61995 is 59916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61995 - 2² = 61991 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (61991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052 + ... + 2081.

It is an arithmetic number, because the mean of its divisors is an integer number (12402).

2⁶¹⁹⁹⁵ is an apocalyptic number.

61995 is a deficient number, since it is larger than the sum of its proper divisors (37221).

61995 is a wasteful number, since it uses less digits than its factorization.

61995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4141.

The product of its digits is 2430, while the sum is 30.

The square root of 61995 is about 248.9879515157. The cubic root of 61995 is about 39.5778521188.

The spelling of 61995 in words is "sixty-one thousand, nine hundred ninety-five".