975085221 has 8 divisors (see below), whose sum is σ = 1418305824. Its totient is φ = 590960720.

The previous prime is 975085217. The next prime is 975085261. The reversal of 975085221 is 122580579.

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 975085221 - 2² = 975085217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 975085221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (975085211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14773986 + ... + 14774051.

It is an arithmetic number, because the mean of its divisors is an integer number (177288228).

Almost surely, 2^975085221 is an apocalyptic number.

It is an amenable number.

975085221 is a deficient number, since it is larger than the sum of its proper divisors (443220603).

975085221 is a wasteful number, since it uses less digits than its factorization.

975085221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29548051.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 975085221 is about 31226.3545903136. The cubic root of 975085221 is about 991.6251310366.

The spelling of 975085221 in words is "nine hundred seventy-five million, eighty-five thousand, two hundred twenty-one".