233142825 has 72 divisors (see below), whose sum is σ = 415747200. Its totient is φ = 115240320.

The previous prime is 233142817. The next prime is 233142841. The reversal of 233142825 is 528241332.

It is not a de Polignac number, because 233142825 - 2³ = 233142817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 233142792 and 233142801.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2138871 + ... + 2138979.

Almost surely, 2^233142825 is an apocalyptic number.

233142825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

233142825 is a deficient number, since it is larger than the sum of its proper divisors (182604375).

233142825 is a wasteful number, since it uses less digits than its factorization.

233142825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 215 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 233142825 is about 15269.0151941767. The cubic root of 233142825 is about 615.4706556480.

The spelling of 233142825 in words is "two hundred thirty-three million, one hundred forty-two thousand, eight hundred twenty-five".