3521246045 has 8 divisors (see below), whose sum is σ = 4294766040. Its totient is φ = 2770816320.

The previous prime is 3521246017. The next prime is 3521246051. The reversal of 3521246045 is 5406421253.

It can be written as a sum of positive squares in 4 ways, for example, as 464704249 + 3056541796 = 21557^2 + 55286^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3521246045 - 2¹⁴ = 3521229661 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5772230 + ... + 5772839.

It is an arithmetic number, because the mean of its divisors is an integer number (536845755).

Almost surely, 2^3521246045 is an apocalyptic number.

It is an amenable number.

3521246045 is a deficient number, since it is larger than the sum of its proper divisors (773519995).

3521246045 is a wasteful number, since it uses less digits than its factorization.

3521246045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11545135.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 3521246045 is about 59340.0880097089. The cubic root of 3521246045 is about 1521.3604574433.

Adding to 3521246045 its reverse (5406421253), we get a palindrome (8927667298).

The spelling of 3521246045 in words is "three billion, five hundred twenty-one million, two hundred forty-six thousand, forty-five".