3505561513 has 8 divisors (see below), whose sum is σ = 3548552000. Its totient is φ = 3462825168.

The previous prime is 3505561447. The next prime is 3505561519. The reversal of 3505561513 is 3151655053.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3505561513 - 2⁹ = 3505561001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3505561519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35706 + ... + 91027.

It is an arithmetic number, because the mean of its divisors is an integer number (443569000).

Almost surely, 2^3505561513 is an apocalyptic number.

It is an amenable number.

3505561513 is a deficient number, since it is larger than the sum of its proper divisors (42990487).

3505561513 is a wasteful number, since it uses less digits than its factorization.

3505561513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127071.

The product of its (nonzero) digits is 33750, while the sum is 34.

The square root of 3505561513 is about 59207.7825374334. The cubic root of 3505561513 is about 1519.0982522180.

The spelling of 3505561513 in words is "three billion, five hundred five million, five hundred sixty-one thousand, five hundred thirteen".