3504051561 has 4 divisors (see below), whose sum is σ = 4672068752. Its totient is φ = 2336034372.

The previous prime is 3504051521. The next prime is 3504051563. The reversal of 3504051561 is 1651504053.

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 not a de Polignac number, because 3504051561 - 2⁷ = 3504051433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3504051563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584008591 + ... + 584008596.

It is an arithmetic number, because the mean of its divisors is an integer number (1168017188).

Almost surely, 2^3504051561 is an apocalyptic number.

It is an amenable number.

3504051561 is a deficient number, since it is larger than the sum of its proper divisors (1168017191).

3504051561 is a wasteful number, since it uses less digits than its factorization.

3504051561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168017190.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 3504051561 is about 59195.0298673799. The cubic root of 3504051561 is about 1518.8801136168.

The spelling of 3504051561 in words is "three billion, five hundred four million, fifty-one thousand, five hundred sixty-one".