234325521 has 16 divisors (see below), whose sum is σ = 353035200. Its totient is φ = 153568224.

The previous prime is 234325513. The next prime is 234325529. The reversal of 234325521 is 125523432.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (234325513) and next prime (234325529).

It is not a de Polignac number, because 234325521 - 2³ = 234325513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (234325529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71956 + ... + 75141.

It is an arithmetic number, because the mean of its divisors is an integer number (22064700).

Almost surely, 2^234325521 is an apocalyptic number.

It is an amenable number.

234325521 is a deficient number, since it is larger than the sum of its proper divisors (118709679).

234325521 is a wasteful number, since it uses less digits than its factorization.

234325521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147165 (or 147159 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 234325521 is about 15307.6948297253. The cubic root of 234325521 is about 616.5096286110.

Adding to 234325521 its reverse (125523432), we get a palindrome (359848953).

The spelling of 234325521 in words is "two hundred thirty-four million, three hundred twenty-five thousand, five hundred twenty-one".