608172971 has 4 divisors (see below), whose sum is σ = 695054832. Its totient is φ = 521291112.

The previous prime is 608172953. The next prime is 608172979. The reversal of 608172971 is 179271806.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 608172971 - 2⁶ = 608172907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (608172979) 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, 43440920 + ... + 43440933.

It is an arithmetic number, because the mean of its divisors is an integer number (173763708).

Almost surely, 2^608172971 is an apocalyptic number.

608172971 is a deficient number, since it is larger than the sum of its proper divisors (86881861).

608172971 is an equidigital number, since it uses as much as digits as its factorization.

608172971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86881860.

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 608172971 is about 24661.1632126305. The cubic root of 608172971 is about 847.2450463655.

The spelling of 608172971 in words is "six hundred eight million, one hundred seventy-two thousand, nine hundred seventy-one".