3521534 has 4 divisors (see below), whose sum is σ = 5282304. Its totient is φ = 1760766.

The previous prime is 3521527. The next prime is 3521537. The reversal of 3521534 is 4351253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4351253 = 31 ⋅140363.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 880382 + ... + 880385.

It is an arithmetic number, because the mean of its divisors is an integer number (1320576).

Almost surely, 2^3521534 is an apocalyptic number.

3521534 is a deficient number, since it is larger than the sum of its proper divisors (1760770).

3521534 is a wasteful number, since it uses less digits than its factorization.

3521534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760769.

The product of its digits is 1800, while the sum is 23.

The square root of 3521534 is about 1876.5750717730. The cubic root of 3521534 is about 152.1401926799.

Adding to 3521534 its reverse (4351253), we get a palindrome (7872787).

The spelling of 3521534 in words is "three million, five hundred twenty-one thousand, five hundred thirty-four".