961545313 has 8 divisors (see below), whose sum is σ = 1024355808. Its totient is φ = 899429184.

The previous prime is 961545301. The next prime is 961545359. The reversal of 961545313 is 313545169.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 961545313 - 2¹³ = 961537121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (961545113) 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, 170731 + ... + 176272.

It is an arithmetic number, because the mean of its divisors is an integer number (128044476).

Almost surely, 2^961545313 is an apocalyptic number.

It is an amenable number.

961545313 is a deficient number, since it is larger than the sum of its proper divisors (62810495).

961545313 is a wasteful number, since it uses less digits than its factorization.

961545313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347183.

The product of its digits is 48600, while the sum is 37.

The square root of 961545313 is about 31008.7941236031. The cubic root of 961545313 is about 987.0138611922.

The spelling of 961545313 in words is "nine hundred sixty-one million, five hundred forty-five thousand, three hundred thirteen".