954978243 has 4 divisors (see below), whose sum is σ = 1273304328. Its totient is φ = 636652160.

The previous prime is 954978229. The next prime is 954978253. The reversal of 954978243 is 342879459.

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

It is a cyclic number.

It is not a de Polignac number, because 954978243 - 2⁸ = 954977987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (954978223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159163038 + ... + 159163043.

It is an arithmetic number, because the mean of its divisors is an integer number (318326082).

Almost surely, 2^954978243 is an apocalyptic number.

954978243 is a deficient number, since it is larger than the sum of its proper divisors (318326085).

954978243 is a wasteful number, since it uses less digits than its factorization.

954978243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318326084.

The product of its digits is 2177280, while the sum is 51.

The square root of 954978243 is about 30902.7222587267. The cubic root of 954978243 is about 984.7617220196.

It can be divided in two parts, 95497 and 8243, that added together give a triangular number (103740 = T₄₅₅).

The spelling of 954978243 in words is "nine hundred fifty-four million, nine hundred seventy-eight thousand, two hundred forty-three".