670431513 has 8 divisors (see below), whose sum is σ = 922744576. Its totient is φ = 432536400.

The previous prime is 670431497. The next prime is 670431521. The reversal of 670431513 is 315134076.

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

It is not a de Polignac number, because 670431513 - 2⁴ = 670431497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670431523) 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 7 ways as a sum of consecutive naturals, for example, 3604378 + ... + 3604563.

It is an arithmetic number, because the mean of its divisors is an integer number (115343072).

Almost surely, 2^670431513 is an apocalyptic number.

It is an amenable number.

670431513 is a deficient number, since it is larger than the sum of its proper divisors (252313063).

670431513 is a wasteful number, since it uses less digits than its factorization.

670431513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7208975.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 670431513 is about 25892.6922702140. The cubic root of 670431513 is about 875.2218269693.

Adding to 670431513 its reverse (315134076), we get a palindrome (985565589).

The spelling of 670431513 in words is "six hundred seventy million, four hundred thirty-one thousand, five hundred thirteen".