970520305 has 8 divisors (see below), whose sum is σ = 1215260352. Its totient is φ = 742658928.

The previous prime is 970520273. The next prime is 970520321. The reversal of 970520305 is 503025079.

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 970520305 - 2⁵ = 970520273 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4219539 + ... + 4219768.

It is an arithmetic number, because the mean of its divisors is an integer number (151907544).

Almost surely, 2^970520305 is an apocalyptic number.

It is an amenable number.

970520305 is a deficient number, since it is larger than the sum of its proper divisors (244740047).

970520305 is a wasteful number, since it uses less digits than its factorization.

970520305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8439335.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 970520305 is about 31153.1748783330. The cubic root of 970520305 is about 990.0752604078.

The spelling of 970520305 in words is "nine hundred seventy million, five hundred twenty thousand, three hundred five".