3247272461 has 4 divisors (see below), whose sum is σ = 3249546300. Its totient is φ = 3244998624.

The previous prime is 3247272439. The next prime is 3247272481. The reversal of 3247272461 is 1642727423.

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 1345789225 + 1901483236 = 36685^2 + 43606^2 .

It is a cyclic number.

It is not a de Polignac number, because 3247272461 - 2⁶ = 3247272397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3247272481) 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, 1134776 + ... + 1137633.

It is an arithmetic number, because the mean of its divisors is an integer number (812386575).

Almost surely, 2^3247272461 is an apocalyptic number.

It is an amenable number.

3247272461 is a deficient number, since it is larger than the sum of its proper divisors (2273839).

3247272461 is a wasteful number, since it uses less digits than its factorization.

3247272461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2273838.

The product of its digits is 112896, while the sum is 38.

The square root of 3247272461 is about 56984.8441342082. The cubic root of 3247272461 is about 1480.8335426617.

Adding to 3247272461 its reverse (1642727423), we get a palindrome (4889999884).

The spelling of 3247272461 in words is "three billion, two hundred forty-seven million, two hundred seventy-two thousand, four hundred sixty-one".