3552565 has 4 divisors (see below), whose sum is σ = 4263084. Its totient is φ = 2842048.

The previous prime is 3552559. The next prime is 3552583. The reversal of 3552565 is 5652553.

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

It can be written as a sum of positive squares in 2 ways, for example, as 790321 + 2762244 = 889^2 + 1662^2 .

It is a cyclic number.

It is not a de Polignac number, because 3552565 - 2⁵ = 3552533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355252 + ... + 355261.

It is an arithmetic number, because the mean of its divisors is an integer number (1065771).

Almost surely, 2^3552565 is an apocalyptic number.

It is an amenable number.

3552565 is a deficient number, since it is larger than the sum of its proper divisors (710519).

3552565 is an equidigital number, since it uses as much as digits as its factorization.

3552565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710518.

The product of its digits is 22500, while the sum is 31.

The square root of 3552565 is about 1884.8249255567. The cubic root of 3552565 is about 152.5857620267.

It can be divided in two parts, 355 and 2565, that multiplied together give a triangular number (910575 = T₁₃₄₉).

The spelling of 3552565 in words is "three million, five hundred fifty-two thousand, five hundred sixty-five".