9275981 has 12 divisors (see below), whose sum is σ = 10982076. Its totient is φ = 7782720.

The previous prime is 9275951. The next prime is 9275983. The reversal of 9275981 is 1895729.

It can be written as a sum of positive squares in 2 ways, for example, as 5134756 + 4141225 = 2266^2 + 2035^2 .

It is not a de Polignac number, because 9275981 - 2²² = 5081677 is a prime.

It is a super-2 number, since 2×9275981² = 172087647024722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9275983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1376 + ... + 4521.

It is an arithmetic number, because the mean of its divisors is an integer number (915173).

Almost surely, 2^9275981 is an apocalyptic number.

It is an amenable number.

9275981 is a deficient number, since it is larger than the sum of its proper divisors (1706095).

9275981 is a wasteful number, since it uses less digits than its factorization.

9275981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5932 (or 5921 counting only the distinct ones).

The product of its digits is 45360, while the sum is 41.

The square root of 9275981 is about 3045.6495202173. The cubic root of 9275981 is about 210.1131740686.

The spelling of 9275981 in words is "nine million, two hundred seventy-five thousand, nine hundred eighty-one".