961564605 has 8 divisors (see below), whose sum is σ = 1538503392. Its totient is φ = 512834448.

The previous prime is 961564601. The next prime is 961564607. The reversal of 961564605 is 506465169.

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

It is not a de Polignac number, because 961564605 - 2² = 961564601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961564601) 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, 32052139 + ... + 32052168.

It is an arithmetic number, because the mean of its divisors is an integer number (192312924).

Almost surely, 2^961564605 is an apocalyptic number.

It is an amenable number.

961564605 is a deficient number, since it is larger than the sum of its proper divisors (576938787).

961564605 is a wasteful number, since it uses less digits than its factorization.

961564605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64104315.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 961564605 is about 31009.1051950875. The cubic root of 961564605 is about 987.0204621444.

The spelling of 961564605 in words is "nine hundred sixty-one million, five hundred sixty-four thousand, six hundred five".