3520216265 has 16 divisors (see below), whose sum is σ = 4480252560. Its totient is φ = 2646067200.

The previous prime is 3520216261. The next prime is 3520216277. The reversal of 3520216265 is 5626120253.

3520216265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 501043456 + 3019172809 = 22384^2 + 54947^2 .

It is not a de Polignac number, because 3520216265 - 2² = 3520216261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3520216261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16631 + ... + 85539.

It is an arithmetic number, because the mean of its divisors is an integer number (280015785).

Almost surely, 2^3520216265 is an apocalyptic number.

It is an amenable number.

3520216265 is a deficient number, since it is larger than the sum of its proper divisors (960036295).

3520216265 is a wasteful number, since it uses less digits than its factorization.

3520216265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69532.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 3520216265 is about 59331.4104416876. The cubic root of 3520216265 is about 1521.2121369057.

The spelling of 3520216265 in words is "three billion, five hundred twenty million, two hundred sixteen thousand, two hundred sixty-five".