601971 has 4 divisors (see below), whose sum is σ = 802632. Its totient is φ = 401312.

The previous prime is 601969. The next prime is 601981. The reversal of 601971 is 179106.

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 601971 - 2¹ = 601969 is a prime.

It is a D-number.

601971 is a lucky number.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (601961) 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, 100326 + ... + 100331.

It is an arithmetic number, because the mean of its divisors is an integer number (200658).

2⁶⁰¹⁹⁷¹ is an apocalyptic number.

601971 is a deficient number, since it is larger than the sum of its proper divisors (200661).

601971 is a wasteful number, since it uses less digits than its factorization.

601971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200660.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 601971 is about 775.8679011275. The cubic root of 601971 is about 84.4355214615.

The spelling of 601971 in words is "six hundred one thousand, nine hundred seventy-one".