233285481 has 128 divisors (see below), whose sum is σ = 441262080. Its totient is φ = 119750400.

The previous prime is 233285467. The next prime is 233285497. The reversal of 233285481 is 184582332.

It is not a de Polignac number, because 233285481 - 2¹⁸ = 233023337 is a prime.

It is a super-2 number, since 2×233285481² = 108844231290802722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (233285431) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3285676 + ... + 3285746.

It is an arithmetic number, because the mean of its divisors is an integer number (3447360).

Almost surely, 2^233285481 is an apocalyptic number.

It is an amenable number.

233285481 is a deficient number, since it is larger than the sum of its proper divisors (207976599).

233285481 is a wasteful number, since it uses less digits than its factorization.

233285481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 158 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 233285481 is about 15273.6859009212. The cubic root of 233285481 is about 615.5961619480.

The spelling of 233285481 in words is "two hundred thirty-three million, two hundred eighty-five thousand, four hundred eighty-one".