3522641261 has 4 divisors (see below), whose sum is σ = 3533754012. Its totient is φ = 3511528512.

The previous prime is 3522641257. The next prime is 3522641273. The reversal of 3522641261 is 1621462253.

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 644855236 + 2877786025 = 25394^2 + 53645^2 .

It is a cyclic number.

It is not a de Polignac number, because 3522641261 - 2² = 3522641257 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 (3522641201) 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, 5555900 + ... + 5556533.

It is an arithmetic number, because the mean of its divisors is an integer number (883438503).

Almost surely, 2^3522641261 is an apocalyptic number.

It is an amenable number.

3522641261 is a deficient number, since it is larger than the sum of its proper divisors (11112751).

3522641261 is a wasteful number, since it uses less digits than its factorization.

3522641261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112750.

The product of its digits is 17280, while the sum is 32.

The square root of 3522641261 is about 59351.8429452700. The cubic root of 3522641261 is about 1521.5613660742.

The spelling of 3522641261 in words is "three billion, five hundred twenty-two million, six hundred forty-one thousand, two hundred sixty-one".