232521461 has 4 divisors (see below), whose sum is σ = 246199212. Its totient is φ = 218843712.

The previous prime is 232521451. The next prime is 232521473. The reversal of 232521461 is 164125232.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 94458961 + 138062500 = 9719^2 + 11750^2 .

It is a cyclic number.

It is not a de Polignac number, because 232521461 - 2¹⁰ = 232520437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232521461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232521451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6838850 + ... + 6838883.

It is an arithmetic number, because the mean of its divisors is an integer number (61549803).

Almost surely, 2^232521461 is an apocalyptic number.

It is an amenable number.

232521461 is a deficient number, since it is larger than the sum of its proper divisors (13677751).

232521461 is a wasteful number, since it uses less digits than its factorization.

232521461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13677750.

The product of its digits is 2880, while the sum is 26.

The square root of 232521461 is about 15248.6543996511. The cubic root of 232521461 is about 614.9233923129.

Adding to 232521461 its reverse (164125232), we get a palindrome (396646693).

The spelling of 232521461 in words is "two hundred thirty-two million, five hundred twenty-one thousand, four hundred sixty-one".