961136953 has 4 divisors (see below), whose sum is σ = 1098442240. Its totient is φ = 823831668.

The previous prime is 961136933. The next prime is 961136959. The reversal of 961136953 is 359631169.

961136953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 961136953 - 2⁹ = 961136441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (961136959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68652633 + ... + 68652646.

It is an arithmetic number, because the mean of its divisors is an integer number (274610560).

Almost surely, 2^961136953 is an apocalyptic number.

It is an amenable number.

961136953 is a deficient number, since it is larger than the sum of its proper divisors (137305287).

961136953 is a wasteful number, since it uses less digits than its factorization.

961136953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137305286.

The product of its digits is 131220, while the sum is 43.

The square root of 961136953 is about 31002.2088406617. The cubic root of 961136953 is about 986.8741159832.

It can be divided in two parts, 9611 and 36953, that added together give a palindrome (46564).

The spelling of 961136953 in words is "nine hundred sixty-one million, one hundred thirty-six thousand, nine hundred fifty-three".