233965257 has 8 divisors (see below), whose sum is σ = 314714784. Its totient is φ = 154596288.

The previous prime is 233965241. The next prime is 233965307. The reversal of 233965257 is 752569332.

233965257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 233965257 - 2⁴ = 233965241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (233965157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344743 + ... + 345420.

It is an arithmetic number, because the mean of its divisors is an integer number (39339348).

Almost surely, 2^233965257 is an apocalyptic number.

It is an amenable number.

233965257 is a deficient number, since it is larger than the sum of its proper divisors (80749527).

233965257 is a wasteful number, since it uses less digits than its factorization.

233965257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690279.

The product of its digits is 340200, while the sum is 42.

The square root of 233965257 is about 15295.9228881424. The cubic root of 233965257 is about 616.1935154435.

The spelling of 233965257 in words is "two hundred thirty-three million, nine hundred sixty-five thousand, two hundred fifty-seven".