3320273561 has 4 divisors (see below), whose sum is σ = 3622116624. Its totient is φ = 3018430500.

The previous prime is 3320273549. The next prime is 3320273573. The reversal of 3320273561 is 1653720233.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3320273549) and next prime (3320273573).

It is a cyclic number.

It is not a de Polignac number, because 3320273561 - 2¹⁴ = 3320257177 is a prime.

It is a super-2 number, since 2×3320273561² = 22048433039751241442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3320278561) 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, 150921515 + ... + 150921536.

It is an arithmetic number, because the mean of its divisors is an integer number (905529156).

Almost surely, 2^3320273561 is an apocalyptic number.

It is an amenable number.

3320273561 is a deficient number, since it is larger than the sum of its proper divisors (301843063).

3320273561 is a wasteful number, since it uses less digits than its factorization.

3320273561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301843062.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 3320273561 is about 57621.8149748860. The cubic root of 3320273561 is about 1491.8481579752.

Adding to 3320273561 its reverse (1653720233), we get a palindrome (4973993794).

The spelling of 3320273561 in words is "three billion, three hundred twenty million, two hundred seventy-three thousand, five hundred sixty-one".