670553523 has 36 divisors (see below), whose sum is σ = 1021413120. Its totient is φ = 423849888.

The previous prime is 670553519. The next prime is 670553551. The reversal of 670553523 is 325355076.

It is not a de Polignac number, because 670553523 - 2² = 670553519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670553563) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 604093 + ... + 605201.

Almost surely, 2^670553523 is an apocalyptic number.

670553523 is a deficient number, since it is larger than the sum of its proper divisors (350859597).

670553523 is a wasteful number, since it uses less digits than its factorization.

670553523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288 (or 1262 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 36.

The square root of 670553523 is about 25895.0482332047. The cubic root of 670553523 is about 875.2749168255.

The spelling of 670553523 in words is "six hundred seventy million, five hundred fifty-three thousand, five hundred twenty-three".