3565253 has 8 divisors (see below), whose sum is σ = 3739200. Its totient is φ = 3392928.

The previous prime is 3565249. The next prime is 3565273. The reversal of 3565253 is 3525653.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3565253 - 2² = 3565249 is a prime.

It is a super-2 number, since 2×3565253² = 25422057908018, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3 + 5⁴ + 6⁴ + 5⁶ + 2⁸ + 5⁹ + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3565213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8513 + ... + 8921.

It is an arithmetic number, because the mean of its divisors is an integer number (467400).

Almost surely, 2^3565253 is an apocalyptic number.

It is an amenable number.

3565253 is a deficient number, since it is larger than the sum of its proper divisors (173947).

3565253 is a wasteful number, since it uses less digits than its factorization.

3565253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811.

The product of its digits is 13500, while the sum is 29.

The square root of 3565253 is about 1888.1877554947. The cubic root of 3565253 is about 152.7671997476.

Adding to 3565253 its product of digits (13500), we get a palindrome (3578753).

The spelling of 3565253 in words is "three million, five hundred sixty-five thousand, two hundred fifty-three".