3231242505 has 24 divisors (see below), whose sum is σ = 5895601920. Its totient is φ = 1632627360.

The previous prime is 3231242501. The next prime is 3231242549. The reversal of 3231242505 is 5052421323.

It is a happy number.

3231242505 is a `hidden beast` number, since 3 + 231 + 2 + 425 + 0 + 5 = 666.

It is not a de Polignac number, because 3231242505 - 2² = 3231242501 is a prime.

It is a super-2 number, since 2×3231242505² = 20881856252237350050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3231242501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1888761 + ... + 1890470.

It is an arithmetic number, because the mean of its divisors is an integer number (245650080).

Almost surely, 2^3231242505 is an apocalyptic number.

It is an amenable number.

3231242505 is a deficient number, since it is larger than the sum of its proper divisors (2664359415).

3231242505 is a wasteful number, since it uses less digits than its factorization.

3231242505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779261 (or 3779258 counting only the distinct ones).

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

The square root of 3231242505 is about 56844.0190785275. The cubic root of 3231242505 is about 1478.3928416145.

Adding to 3231242505 its reverse (5052421323), we get a palindrome (8283663828).

The spelling of 3231242505 in words is "three billion, two hundred thirty-one million, two hundred forty-two thousand, five hundred five".