3513023221 has 8 divisors (see below), whose sum is σ = 3767692320. Its totient is φ = 3265331472.

The previous prime is 3513023209. The next prime is 3513023263. The reversal of 3513023221 is 1223203153.

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 3513023221 - 2⁷ = 3513023093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3513023192 and 3513023201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3513023321) 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, 1743295 + ... + 1745308.

It is an arithmetic number, because the mean of its divisors is an integer number (470961540).

Almost surely, 2^3513023221 is an apocalyptic number.

It is an amenable number.

3513023221 is a deficient number, since it is larger than the sum of its proper divisors (254669099).

3513023221 is a wasteful number, since it uses less digits than its factorization.

3513023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488675.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3513023221 is about 59270.7619404374. The cubic root of 3513023221 is about 1520.1753059868.

Adding to 3513023221 its reverse (1223203153), we get a palindrome (4736226374).

The spelling of 3513023221 in words is "three billion, five hundred thirteen million, twenty-three thousand, two hundred twenty-one".