230001525 has 60 divisors (see below), whose sum is σ = 458867332. Its totient is φ = 113218560.

The previous prime is 230001511. The next prime is 230001533. The reversal of 230001525 is 525100032.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 34644996 + 195356529 = 5886^2 + 13977^2 .

It is not a de Polignac number, because 230001525 - 2¹³ = 229993333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230001498 and 230001507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 21957 + ... + 30693.

Almost surely, 2^230001525 is an apocalyptic number.

230001525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230001525 is a deficient number, since it is larger than the sum of its proper divisors (228865807).

230001525 is a wasteful number, since it uses less digits than its factorization.

230001525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8772 (or 8758 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 230001525 is about 15165.8011657809. The cubic root of 230001525 is about 612.6939216592.

Adding to 230001525 its reverse (525100032), we get a palindrome (755101557).

The spelling of 230001525 in words is "two hundred thirty million, one thousand, five hundred twenty-five".