3500120501 has 4 divisors (see below), whose sum is σ = 3515405100. Its totient is φ = 3484835904.

The previous prime is 3500120489. The next prime is 3500120537. The reversal of 3500120501 is 1050210053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1050210053 = 1367 ⋅768259.

It can be written as a sum of positive squares in 2 ways, for example, as 3387123601 + 112996900 = 58199^2 + 10630^2 .

It is a cyclic number.

It is not a de Polignac number, because 3500120501 - 2¹⁴ = 3500104117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3500120501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3500170501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7641956 + ... + 7642413.

It is an arithmetic number, because the mean of its divisors is an integer number (878851275).

Almost surely, 2^3500120501 is an apocalyptic number.

It is an amenable number.

3500120501 is a deficient number, since it is larger than the sum of its proper divisors (15284599).

3500120501 is a wasteful number, since it uses less digits than its factorization.

3500120501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15284598.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 3500120501 is about 59161.8162415590. The cubic root of 3500120501 is about 1518.3119101192.

Adding to 3500120501 its reverse (1050210053), we get a palindrome (4550330554).

The spelling of 3500120501 in words is "three billion, five hundred million, one hundred twenty thousand, five hundred one".