3501040061 has 8 divisors (see below), whose sum is σ = 3797398584. Its totient is φ = 3214727680.

The previous prime is 3501040031. The next prime is 3501040097. The reversal of 3501040061 is 1600401053.

It can be written as a sum of positive squares in 4 ways, for example, as 20748025 + 3480292036 = 4555^2 + 58994^2 .

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 3501040061 - 2²⁶ = 3433931197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3501040001) 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 7 ways as a sum of consecutive naturals, for example, 2510810 + ... + 2512203.

It is an arithmetic number, because the mean of its divisors is an integer number (474674823).

Almost surely, 2^3501040061 is an apocalyptic number.

It is an amenable number.

3501040061 is a deficient number, since it is larger than the sum of its proper divisors (296358523).

3501040061 is a wasteful number, since it uses less digits than its factorization.

3501040061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023071.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3501040061 is about 59169.5872978678. The cubic root of 3501040061 is about 1518.4448633178. Note that the first 3 decimals are identical.

The spelling of 3501040061 in words is "three billion, five hundred one million, forty thousand, sixty-one".