3526531 has 4 divisors (see below), whose sum is σ = 3733992. Its totient is φ = 3319072.

The previous prime is 3526513. The next prime is 3526541. The reversal of 3526531 is 1356253.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3526531 - 2¹⁹ = 3002243 is a prime.

It is a super-2 number, since 2×3526531² = 24872841787922, which contains 22 as substring.

It is a Duffinian number.

3526531 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3526496 and 3526505.

It is not an unprimeable number, because it can be changed into a prime (3526511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103705 + ... + 103738.

It is an arithmetic number, because the mean of its divisors is an integer number (933498).

Almost surely, 2^3526531 is an apocalyptic number.

3526531 is a deficient number, since it is larger than the sum of its proper divisors (207461).

3526531 is a wasteful number, since it uses less digits than its factorization.

3526531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207460.

The product of its digits is 2700, while the sum is 25.

The square root of 3526531 is about 1877.9060146876. The cubic root of 3526531 is about 152.2121201632.

The spelling of 3526531 in words is "three million, five hundred twenty-six thousand, five hundred thirty-one".