3505642601 has 4 divisors (see below), whose sum is σ = 3505884804. Its totient is φ = 3505400400.

The previous prime is 3505642597. The next prime is 3505642619. The reversal of 3505642601 is 1062465053.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2058981376 + 1446661225 = 45376^2 + 38035^2 .

It is a cyclic number.

It is not a de Polignac number, because 3505642601 - 2² = 3505642597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3505642501) 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, 97910 + ... + 128831.

It is an arithmetic number, because the mean of its divisors is an integer number (876471201).

Almost surely, 2^3505642601 is an apocalyptic number.

It is an amenable number.

3505642601 is a deficient number, since it is larger than the sum of its proper divisors (242203).

3505642601 is a wasteful number, since it uses less digits than its factorization.

3505642601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242202.

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

The square root of 3505642601 is about 59208.4673083166. The cubic root of 3505642601 is about 1519.1099650053.

The spelling of 3505642601 in words is "three billion, five hundred five million, six hundred forty-two thousand, six hundred one".