3515045021 has 8 divisors (see below), whose sum is σ = 3644053920. Its totient is φ = 3386556208.

The previous prime is 3515044997. The next prime is 3515045033. The reversal of 3515045021 is 1205405153.

3515045021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 3515045021 - 2¹⁸ = 3514782877 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 (3515045041) 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, 116231 + ... + 143316.

It is an arithmetic number, because the mean of its divisors is an integer number (455506740).

Almost surely, 2^3515045021 is an apocalyptic number.

It is an amenable number.

3515045021 is a deficient number, since it is larger than the sum of its proper divisors (129008899).

3515045021 is a wasteful number, since it uses less digits than its factorization.

3515045021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260043.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 3515045021 is about 59287.8151140688. The cubic root of 3515045021 is about 1520.4668783083.

The spelling of 3515045021 in words is "three billion, five hundred fifteen million, forty-five thousand, twenty-one".