670833259 has 4 divisors (see below), whose sum is σ = 670905304. Its totient is φ = 670761216.

The previous prime is 670833253. The next prime is 670833263. The reversal of 670833259 is 952338076.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 670833259 - 2¹⁷ = 670702187 is a prime.

It is a super-2 number, since 2×670833259² = 900034522761122162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670833253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19542 + ... + 41515.

It is an arithmetic number, because the mean of its divisors is an integer number (167726326).

Almost surely, 2^670833259 is an apocalyptic number.

670833259 is a deficient number, since it is larger than the sum of its proper divisors (72045).

670833259 is a wasteful number, since it uses less digits than its factorization.

670833259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72044.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 670833259 is about 25900.4490115519. The cubic root of 670833259 is about 875.3966132331.

The spelling of 670833259 in words is "six hundred seventy million, eight hundred thirty-three thousand, two hundred fifty-nine".