3061954561 has 4 divisors (see below), whose sum is σ = 3063038212. Its totient is φ = 3060870912.

The previous prime is 3061954523. The next prime is 3061954627. The reversal of 3061954561 is 1654591603.

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 2405313936 + 656640625 = 49044^2 + 25625^2 .

It is a cyclic number.

It is not a de Polignac number, because 3061954561 - 2¹¹ = 3061952513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3061954501) 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, 537576 + ... + 543241.

It is an arithmetic number, because the mean of its divisors is an integer number (765759553).

Almost surely, 2^3061954561 is an apocalyptic number.

It is an amenable number.

3061954561 is a deficient number, since it is larger than the sum of its proper divisors (1083651).

3061954561 is a wasteful number, since it uses less digits than its factorization.

3061954561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083650.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 3061954561 is about 55334.9307490305. The cubic root of 3061954561 is about 1452.1102149856.

The spelling of 3061954561 in words is "three billion, sixty-one million, nine hundred fifty-four thousand, five hundred sixty-one".