8312961 has 4 divisors (see below), whose sum is σ = 11083952. Its totient is φ = 5541972.

The previous prime is 8312957. The next prime is 8312963. The reversal of 8312961 is 1692138.

8312961 is digitally balanced in base 4, 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 not a de Polignac number, because 8312961 - 2² = 8312957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8312963) 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, 1385491 + ... + 1385496.

It is an arithmetic number, because the mean of its divisors is an integer number (2770988).

Almost surely, 2^8312961 is an apocalyptic number.

It is an amenable number.

8312961 is a deficient number, since it is larger than the sum of its proper divisors (2770991).

8312961 is a wasteful number, since it uses less digits than its factorization.

8312961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770990.

The product of its digits is 2592, while the sum is 30.

The square root of 8312961 is about 2883.2205950985. The cubic root of 8312961 is about 202.5747201776.

The spelling of 8312961 in words is "eight million, three hundred twelve thousand, nine hundred sixty-one".