233497 has 4 divisors (see below), whose sum is σ = 254736. Its totient is φ = 212260.

The previous prime is 233489. The next prime is 233509. The reversal of 233497 is 794332.

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 233497 - 2³ = 233489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10603 + ... + 10624.

It is an arithmetic number, because the mean of its divisors is an integer number (63684).

2²³³⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

233497 is a deficient number, since it is larger than the sum of its proper divisors (21239).

233497 is a wasteful number, since it uses less digits than its factorization.

233497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21238.

The product of its digits is 4536, while the sum is 28.

The square root of 233497 is about 483.2152729374. The cubic root of 233497 is about 61.5782158593.

The spelling of 233497 in words is "two hundred thirty-three thousand, four hundred ninety-seven".