670153 has 4 divisors (see below), whose sum is σ = 731088. Its totient is φ = 609220.

The previous prime is 670147. The next prime is 670177. The reversal of 670153 is 351076.

670153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 670153 - 2¹³ = 661961 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

670153 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (670193) 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, 30451 + ... + 30472.

It is an arithmetic number, because the mean of its divisors is an integer number (182772).

2⁶⁷⁰¹⁵³ is an apocalyptic number.

It is an amenable number.

670153 is a deficient number, since it is larger than the sum of its proper divisors (60935).

670153 is a wasteful number, since it uses less digits than its factorization.

670153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60934.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 670153 is about 818.6287314772. The cubic root of 670153 is about 87.5100614280.

The spelling of 670153 in words is "six hundred seventy thousand, one hundred fifty-three".