961597 has 8 divisors (see below), whose sum is σ = 1183616. Its totient is φ = 760752.

The previous prime is 961567. The next prime is 961601. The reversal of 961597 is 795169.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961507) 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, 5193 + ... + 5374.

It is an arithmetic number, because the mean of its divisors is an integer number (147952).

2⁹⁶¹⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

961597 is a deficient number, since it is larger than the sum of its proper divisors (222019).

961597 is a wasteful number, since it uses less digits than its factorization.

961597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10587.

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

The square root of 961597 is about 980.6105241124. The cubic root of 961597 is about 98.7031546222.

The spelling of 961597 in words is "nine hundred sixty-one thousand, five hundred ninety-seven".