670253523 has 8 divisors (see below), whose sum is σ = 894084048. Its totient is φ = 446629344.

The previous prime is 670253491. The next prime is 670253533. The reversal of 670253523 is 325352076.

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

It is not a de Polignac number, because 670253523 - 2⁵ = 670253491 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (670253533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43840 + ... + 57117.

It is an arithmetic number, because the mean of its divisors is an integer number (111760506).

Almost surely, 2^670253523 is an apocalyptic number.

670253523 is a deficient number, since it is larger than the sum of its proper divisors (223830525).

670253523 is a wasteful number, since it uses less digits than its factorization.

670253523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103173.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 670253523 is about 25889.2549718991. The cubic root of 670253523 is about 875.1443671454.

The spelling of 670253523 in words is "six hundred seventy million, two hundred fifty-three thousand, five hundred twenty-three".