235971 has 12 divisors (see below), whose sum is σ = 345072. Its totient is φ = 155376.

The previous prime is 235967. The next prime is 235979. The reversal of 235971 is 179532.

235971 is nontrivially palindromic in base 13.

It is not a de Polignac number, because 235971 - 2² = 235967 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (235979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1330 + ... + 1496.

It is an arithmetic number, because the mean of its divisors is an integer number (28756).

2²³⁵⁹⁷¹ is an apocalyptic number.

235971 is a deficient number, since it is larger than the sum of its proper divisors (109101).

235971 is a wasteful number, since it uses less digits than its factorization.

235971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 327 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 235971 is about 485.7684633650. The cubic root of 235971 is about 61.7949347028.

The spelling of 235971 in words is "two hundred thirty-five thousand, nine hundred seventy-one".