3231405245 has 4 divisors (see below), whose sum is σ = 3877686300. Its totient is φ = 2585124192.

The previous prime is 3231405209. The next prime is 3231405253. The reversal of 3231405245 is 5425041323.

It is a happy number.

3231405245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1510565956 + 1720839289 = 38866^2 + 41483^2 .

It is a cyclic number.

It is not a de Polignac number, because 3231405245 - 2¹⁰ = 3231404221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323140520 + ... + 323140529.

It is an arithmetic number, because the mean of its divisors is an integer number (969421575).

Almost surely, 2^3231405245 is an apocalyptic number.

It is an amenable number.

3231405245 is a deficient number, since it is larger than the sum of its proper divisors (646281055).

3231405245 is an equidigital number, since it uses as much as digits as its factorization.

3231405245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646281054.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 3231405245 is about 56845.4505215677. The cubic root of 3231405245 is about 1478.4176607165.

Adding to 3231405245 its reverse (5425041323), we get a palindrome (8656446568).

The spelling of 3231405245 in words is "three billion, two hundred thirty-one million, four hundred five thousand, two hundred forty-five".