947253105 has 24 divisors (see below), whose sum is σ = 1647277632. Its totient is φ = 503548704.

The previous prime is 947253059. The next prime is 947253127. The reversal of 947253105 is 501352749.

It is not a de Polignac number, because 947253105 - 2¹⁹ = 946728817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 947253105.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 20469 + ... + 48098.

It is an arithmetic number, because the mean of its divisors is an integer number (68636568).

Almost surely, 2^947253105 is an apocalyptic number.

It is an amenable number.

947253105 is a deficient number, since it is larger than the sum of its proper divisors (700024527).

947253105 is a wasteful number, since it uses less digits than its factorization.

947253105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68885 (or 68882 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 947253105 is about 30777.4772357970. The cubic root of 947253105 is about 982.0991741447.

The spelling of 947253105 in words is "nine hundred forty-seven million, two hundred fifty-three thousand, one hundred five".