955 has 4 divisors (see below), whose sum is σ = 1152. Its totient is φ = 760.

The previous prime is 953. The next prime is 967. The reversal of 955 is 559.

955 = T_{17} + T_{18} + ... +
T_{21}.

955 = 10^{2} + 11^{2} + ... + 15^{2}.

955 is nontrivially palindromic in base 4.

955 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 559 = 13 ⋅43.

It is not a de Polignac number, because 955 - 2^{1} = 953 is a prime.

It is a Duffinian number.

955 is an undulating number in base 4.

It is a plaindrome in base 11, base 12 and base 16.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91 + ... + 100.

It is an arithmetic number, because the mean of its divisors is an integer number (288).

955 is a deficient number, since it is larger than the sum of its proper divisors (197).

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

955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196.

The product of its digits is 225, while the sum is 19.

The square root of 955 is about 30.9030742807. The cubic root of 955 is about 9.8476920048.

Multiplying 955 by its sum of digits (19), we get a triangular number (18145 = T_{190}).

It can be divided in two parts, 95 and 5, that added together give a square (100 = 10^{2}).

The spelling of 955 in words is "nine hundred fifty-five", and thus it is an aban number and an oban number.

• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.102 sec. • engine limits •