232521465 has 24 divisors (see below), whose sum is σ = 408933504. Its totient is φ = 112736800.

The previous prime is 232521451. The next prime is 232521473. The reversal of 232521465 is 564125232.

It is not a de Polignac number, because 232521465 - 2¹⁹ = 231997177 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62241 + ... + 65870.

It is an arithmetic number, because the mean of its divisors is an integer number (17038896).

Almost surely, 2^232521465 is an apocalyptic number.

It is an amenable number.

232521465 is a deficient number, since it is larger than the sum of its proper divisors (176412039).

232521465 is a wasteful number, since it uses less digits than its factorization.

232521465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128141 (or 128130 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 232521465 is about 15248.6545308103. The cubic root of 232521465 is about 614.9233958390.

Adding to 232521465 its reverse (564125232), we get a palindrome (796646697).

The spelling of 232521465 in words is "two hundred thirty-two million, five hundred twenty-one thousand, four hundred sixty-five".