3520534 has 4 divisors (see below), whose sum is σ = 5280804. Its totient is φ = 1760266.

The previous prime is 3520519. The next prime is 3520537. The reversal of 3520534 is 4350253.

3520534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4350253 = 1619 ⋅2687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 880132 + ... + 880135.

It is an arithmetic number, because the mean of its divisors is an integer number (1320201).

Almost surely, 2^3520534 is an apocalyptic number.

3520534 is a deficient number, since it is larger than the sum of its proper divisors (1760270).

3520534 is a wasteful number, since it uses less digits than its factorization.

3520534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760269.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 3520534 is about 1876.3086100106. The cubic root of 3520534 is about 152.1257903772.

Adding to 3520534 its reverse (4350253), we get a palindrome (7870787).

The spelling of 3520534 in words is "three million, five hundred twenty thousand, five hundred thirty-four".