955242985 has 4 divisors (see below), whose sum is σ = 1146291588. Its totient is φ = 764194384.

The previous prime is 955242947. The next prime is 955242989. The reversal of 955242985 is 589242559.

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

It can be written as a sum of positive squares in 2 ways, for example, as 638118121 + 317124864 = 25261^2 + 17808^2 .

It is a cyclic number.

It is not a de Polignac number, because 955242985 - 2¹³ = 955234793 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (955242989) 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, 95524294 + ... + 95524303.

It is an arithmetic number, because the mean of its divisors is an integer number (286572897).

Almost surely, 2^955242985 is an apocalyptic number.

It is an amenable number.

955242985 is a deficient number, since it is larger than the sum of its proper divisors (191048603).

955242985 is a wasteful number, since it uses less digits than its factorization.

955242985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191048602.

The product of its digits is 1296000, while the sum is 49.

The square root of 955242985 is about 30907.0054356613. The cubic root of 955242985 is about 984.8527131676.

It can be divided in two parts, 95524 and 2985, that multiplied together give a triangular number (285139140 = T₂₃₈₈₀).

The spelling of 955242985 in words is "nine hundred fifty-five million, two hundred forty-two thousand, nine hundred eighty-five".