3521913 has 8 divisors (see below), whose sum is σ = 4728000. Its totient is φ = 2331888.

The previous prime is 3521909. The next prime is 3521923. The reversal of 3521913 is 3191253.

It is a happy number.

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

It is not a de Polignac number, because 3521913 - 2² = 3521909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3521923) 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, 3493 + ... + 4386.

It is an arithmetic number, because the mean of its divisors is an integer number (591000).

Almost surely, 2^3521913 is an apocalyptic number.

It is an amenable number.

3521913 is a deficient number, since it is larger than the sum of its proper divisors (1206087).

3521913 is a wasteful number, since it uses less digits than its factorization.

3521913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8031.

The product of its digits is 810, while the sum is 24.

The square root of 3521913 is about 1876.6760508942. The cubic root of 3521913 is about 152.1456504401.

It can be divided in two parts, 352 and 1913, that multiplied together give a palindrome (673376).

The spelling of 3521913 in words is "three million, five hundred twenty-one thousand, nine hundred thirteen".