961009211 has 8 divisors (see below), whose sum is σ = 975308544. Its totient is φ = 946731240.

The previous prime is 961009187. The next prime is 961009237. The reversal of 961009211 is 112900169.

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 961009211 - 2²⁶ = 893900347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961009111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100730 + ... + 109856.

It is an arithmetic number, because the mean of its divisors is an integer number (121913568).

Almost surely, 2^961009211 is an apocalyptic number.

961009211 is a deficient number, since it is larger than the sum of its proper divisors (14299333).

961009211 is a wasteful number, since it uses less digits than its factorization.

961009211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681.

The product of its (nonzero) digits is 972, while the sum is 29.

The square root of 961009211 is about 31000.1485641601. The cubic root of 961009211 is about 986.8303931615.

The spelling of 961009211 in words is "nine hundred sixty-one million, nine thousand, two hundred eleven".