670525033 has 4 divisors (see below), whose sum is σ = 709967700. Its totient is φ = 631082368.

The previous prime is 670525027. The next prime is 670525043. The reversal of 670525033 is 330525076.

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 382476249 + 288048784 = 19557^2 + 16972^2 .

It is a cyclic number.

It is not a de Polignac number, because 670525033 - 2⁵ = 670525001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670524986 and 670525004.

It is not an unprimeable number, because it can be changed into a prime (670525043) 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, 19721308 + ... + 19721341.

It is an arithmetic number, because the mean of its divisors is an integer number (177491925).

Almost surely, 2^670525033 is an apocalyptic number.

It is an amenable number.

670525033 is a deficient number, since it is larger than the sum of its proper divisors (39442667).

670525033 is a wasteful number, since it uses less digits than its factorization.

670525033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39442666.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 670525033 is about 25894.4981221880. The cubic root of 670525033 is about 875.2625206311.

The spelling of 670525033 in words is "six hundred seventy million, five hundred twenty-five thousand, thirty-three".