3513021 has 8 divisors (see below), whose sum is σ = 4729920. Its totient is φ = 2319072.

The previous prime is 3513019. The next prime is 3513023. The reversal of 3513021 is 1203153.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3513019) and next prime (3513023).

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

It is not a de Polignac number, because 3513021 - 2¹ = 3513019 is a prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3513023) 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, 5376 + ... + 5993.

It is an arithmetic number, because the mean of its divisors is an integer number (591240).

Almost surely, 2^3513021 is an apocalyptic number.

It is an amenable number.

3513021 is a deficient number, since it is larger than the sum of its proper divisors (1216899).

3513021 is a wasteful number, since it uses less digits than its factorization.

3513021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11475.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 3513021 is about 1874.3054713680. The cubic root of 3513021 is about 152.0174985626.

Adding to 3513021 its reverse (1203153), we get a palindrome (4716174).

The spelling of 3513021 in words is "three million, five hundred thirteen thousand, twenty-one".