1232613541 has 8 divisors (see below), whose sum is σ = 1250114264. Its totient is φ = 1215129600.

The previous prime is 1232613491. The next prime is 1232613553. The reversal of 1232613541 is 1453162321.

It can be written as a sum of positive squares in 4 ways, for example, as 581292100 + 651321441 = 24110^2 + 25521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1232613541 - 2¹¹ = 1232611493 is a prime.

It is a super-2 number, since 2×1232613541² = 3038672282913117362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232113541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254341 + ... + 259141.

It is an arithmetic number, because the mean of its divisors is an integer number (156264283).

Almost surely, 2^1232613541 is an apocalyptic number.

It is an amenable number.

1232613541 is a deficient number, since it is larger than the sum of its proper divisors (17500723).

1232613541 is an equidigital number, since it uses as much as digits as its factorization.

1232613541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8391.

The product of its digits is 4320, while the sum is 28.

The square root of 1232613541 is about 35108.5963974637. The cubic root of 1232613541 is about 1072.1996097096.

Adding to 1232613541 its reverse (1453162321), we get a palindrome (2685775862).

The spelling of 1232613541 in words is "one billion, two hundred thirty-two million, six hundred thirteen thousand, five hundred forty-one".