3505231613 has 8 divisors (see below), whose sum is σ = 3775380000. Its totient is φ = 3235156848.

The previous prime is 3505231567. The next prime is 3505231627. The reversal of 3505231613 is 3161325053.

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 3505231613 - 2⁸ = 3505231357 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 (3505231693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117938 + ... + 144636.

It is an arithmetic number, because the mean of its divisors is an integer number (471922500).

Almost surely, 2^3505231613 is an apocalyptic number.

It is an amenable number.

3505231613 is a deficient number, since it is larger than the sum of its proper divisors (270148387).

3505231613 is a wasteful number, since it uses less digits than its factorization.

3505231613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36811.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 3505231613 is about 59204.9965205640. The cubic root of 3505231613 is about 1519.0505978234.

Adding to 3505231613 its reverse (3161325053), we get a palindrome (6666556666).

The spelling of 3505231613 in words is "three billion, five hundred five million, two hundred thirty-one thousand, six hundred thirteen".