970970513 has 4 divisors (see below), whose sum is σ = 971598900. Its totient is φ = 970342128.

The previous prime is 970970503. The next prime is 970970543. The reversal of 970970513 is 315079079.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 732947329 + 238023184 = 27073^2 + 15428^2 .

It is a cyclic number.

It is not a de Polignac number, because 970970513 - 2⁶ = 970970449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (970970503) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 311870 + ... + 314967.

It is an arithmetic number, because the mean of its divisors is an integer number (242899725).

Almost surely, 2^970970513 is an apocalyptic number.

It is an amenable number.

970970513 is a deficient number, since it is larger than the sum of its proper divisors (628387).

970970513 is a wasteful number, since it uses less digits than its factorization.

970970513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628386.

The product of its (nonzero) digits is 59535, while the sum is 41.

The square root of 970970513 is about 31160.3997567425. The cubic root of 970970513 is about 990.2283298128.

The spelling of 970970513 in words is "nine hundred seventy million, nine hundred seventy thousand, five hundred thirteen".