3286531 has 2 divisors, whose sum is σ = 3286532. Its totient is φ = 3286530.

The previous prime is 3286529. The next prime is 3286553. The reversal of 3286531 is 1356823.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3286531 - 2¹ = 3286529 is a prime.

It is a super-2 number, since 2×3286531² = 21602572027922, which contains 22 as substring.

Together with 3286529, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3286531.

It is not a weakly prime, because it can be changed into another prime (3286501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643265 + 1643266.

It is an arithmetic number, because the mean of its divisors is an integer number (1643266).

Almost surely, 2^3286531 is an apocalyptic number.

3286531 is a deficient number, since it is larger than the sum of its proper divisors (1).

3286531 is an equidigital number, since it uses as much as digits as its factorization.

3286531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 3286531 is about 1812.8792017120. The cubic root of 3286531 is about 148.6777263474.

It can be divided in two parts, 32865 and 31, that added together give a triangular number (32896 = T₂₅₆).

The spelling of 3286531 in words is "three million, two hundred eighty-six thousand, five hundred thirty-one".