961317449 has 4 divisors (see below), whose sum is σ = 961616400. Its totient is φ = 961018500.

The previous prime is 961317443. The next prime is 961317451. The reversal of 961317449 is 944713169.

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, and also an emirpimes, since its reverse is a distinct semiprime: 944713169 = 7369 ⋅128201.

It is a cyclic number.

It is not a de Polignac number, because 961317449 - 2²⁸ = 692881993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961317443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144599 + ... + 151100.

It is an arithmetic number, because the mean of its divisors is an integer number (240404100).

Almost surely, 2^961317449 is an apocalyptic number.

It is an amenable number.

961317449 is a deficient number, since it is larger than the sum of its proper divisors (298951).

961317449 is a wasteful number, since it uses less digits than its factorization.

961317449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298950.

The product of its digits is 163296, while the sum is 44.

The square root of 961317449 is about 31005.1197223942. The cubic root of 961317449 is about 986.9358885470.

The spelling of 961317449 in words is "nine hundred sixty-one million, three hundred seventeen thousand, four hundred forty-nine".