961593603 has 4 divisors (see below), whose sum is σ = 1282124808. Its totient is φ = 641062400.

The previous prime is 961593601. The next prime is 961593613. The reversal of 961593603 is 306395169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306395169 = 3 ⋅102131723.

It is a cyclic number.

It is not a de Polignac number, because 961593603 - 2¹ = 961593601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (961593601) 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, 160265598 + ... + 160265603.

It is an arithmetic number, because the mean of its divisors is an integer number (320531202).

Almost surely, 2^961593603 is an apocalyptic number.

961593603 is a deficient number, since it is larger than the sum of its proper divisors (320531205).

961593603 is a wasteful number, since it uses less digits than its factorization.

961593603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320531204.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 961593603 is about 31009.5727639063. The cubic root of 961593603 is about 987.0303839363.

The spelling of 961593603 in words is "nine hundred sixty-one million, five hundred ninety-three thousand, six hundred three".