3581350061 has 4 divisors (see below), whose sum is σ = 3594663900. Its totient is φ = 3568036224.

The previous prime is 3581350057. The next prime is 3581350063. The reversal of 3581350061 is 1600531853.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1600531853 = 43 ⋅37221671.

It can be written as a sum of positive squares in 2 ways, for example, as 458216836 + 3123133225 = 21406^2 + 55885^2 .

It is a cyclic number.

It is not a de Polignac number, because 3581350061 - 2² = 3581350057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3581350063) 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, 6656516 + ... + 6657053.

It is an arithmetic number, because the mean of its divisors is an integer number (898665975).

Almost surely, 2^3581350061 is an apocalyptic number.

It is an amenable number.

3581350061 is a deficient number, since it is larger than the sum of its proper divisors (13313839).

3581350061 is a wasteful number, since it uses less digits than its factorization.

3581350061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13313838.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 3581350061 is about 59844.3820337381. The cubic root of 3581350061 is about 1529.9676842534.

The spelling of 3581350061 in words is "three billion, five hundred eighty-one million, three hundred fifty thousand, sixty-one".