552409 has 8 divisors (see below), whose sum is σ = 649152. Its totient is φ = 463440.

The previous prime is 552403. The next prime is 552469. The reversal of 552409 is 904255.

552409 = T₂₈₅ + T₂₈₆ + ... + T₂₉₇.

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 552409 - 2³ = 552401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789 + ... + 2074.

It is an arithmetic number, because the mean of its divisors is an integer number (81144).

2⁵⁵²⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

552409 is a deficient number, since it is larger than the sum of its proper divisors (96743).

552409 is a wasteful number, since it uses less digits than its factorization.

552409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 552409 is about 743.2422216209. The cubic root of 552409 is about 82.0515737428.

It can be divided in two parts, 552 and 409, that added together give a square (961 = 31²).

The spelling of 552409 in words is "five hundred fifty-two thousand, four hundred nine".