975961 has 4 divisors (see below), whose sum is σ = 1115392. Its totient is φ = 836532.

The previous prime is 975943. The next prime is 975967. The reversal of 975961 is 169579.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-975961 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 975961.

It is not an unprimeable number, because it can be changed into a prime (975967) 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 3 ways as a sum of consecutive naturals, for example, 69705 + ... + 69718.

It is an arithmetic number, because the mean of its divisors is an integer number (278848).

2⁹⁷⁵⁹⁶¹ is an apocalyptic number.

It is an amenable number.

975961 is a deficient number, since it is larger than the sum of its proper divisors (139431).

975961 is a wasteful number, since it uses less digits than its factorization.

975961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139430.

The product of its digits is 17010, while the sum is 37.

The square root of 975961 is about 987.9073843230. The cubic root of 975961 is about 99.1921920342.

It can be divided in two parts, 975 and 961, that added together give a square (1936 = 44²).

The spelling of 975961 in words is "nine hundred seventy-five thousand, nine hundred sixty-one".