970135609 has 3 divisors (see below), whose sum is σ = 970166757. Its totient is φ = 970104462.

The previous prime is 970135591. The next prime is 970135613. The reversal of 970135609 is 906531079.

The square root of 970135609 is 31147.

It is a perfect power (a square), and thus also a powerful number.

970135609 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 brilliant number, because the two primes have the same length.

It is a de Polignac number, because none of the positive numbers 2^k-970135609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (970115609) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15574 + ... + 46720.

It is an arithmetic number, because the mean of its divisors is an integer number (323388919).

Almost surely, 2^970135609 is an apocalyptic number.

970135609 is the 31147-th square number.

970135609 is the 15574-th centered octagonal number.

It is an amenable number.

970135609 is a deficient number, since it is larger than the sum of its proper divisors (31148).

970135609 is an frugal number, since it uses more digits than its factorization.

970135609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62294 (or 31147 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 40.

The cubic root of 970135609 is about 989.9444273808.

The spelling of 970135609 in words is "nine hundred seventy million, one hundred thirty-five thousand, six hundred nine".