3521703 has 16 divisors (see below), whose sum is σ = 5011200. Its totient is φ = 2192256.

The previous prime is 3521699. The next prime is 3521723. The reversal of 3521703 is 3071253.

It is a happy number.

It is not a de Polignac number, because 3521703 - 2² = 3521699 is a prime.

3521703 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3521703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9976 + ... + 10322.

It is an arithmetic number, because the mean of its divisors is an integer number (313200).

Almost surely, 2^3521703 is an apocalyptic number.

3521703 is a deficient number, since it is larger than the sum of its proper divisors (1489497).

3521703 is a wasteful number, since it uses less digits than its factorization.

3521703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 3521703 is about 1876.6201000735. The cubic root of 3521703 is about 152.1426263997.

Adding to 3521703 its reverse (3071253), we get a palindrome (6592956).

It can be divided in two parts, 3521 and 703, that added together give a palindrome (4224).

The spelling of 3521703 in words is "three million, five hundred twenty-one thousand, seven hundred three".