3531564 has 36 divisors (see below), whose sum is σ = 8984976. Its totient is φ = 1169568.

The previous prime is 3531559. The next prime is 3531569. The reversal of 3531564 is 4651353.

It is an interprime number because it is at equal distance from previous prime (3531559) and next prime (3531569).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (3531569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9282 + ... + 9654.

Almost surely, 2^3531564 is an apocalyptic number.

It is an amenable number.

3531564 is an abundant number, since it is smaller than the sum of its proper divisors (5453412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3531564 is a wasteful number, since it uses less digits than its factorization.

3531564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 641 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 3531564 is about 1879.2455933166. The cubic root of 3531564 is about 152.2844971859.

It can be divided in two parts, 3531 and 564, that added together give a triangular number (4095 = T₉₀).

The spelling of 3531564 in words is "three million, five hundred thirty-one thousand, five hundred sixty-four".