409053 has 4 divisors (see below), whose sum is σ = 545408. Its totient is φ = 272700.

The previous prime is 409043. The next prime is 409063. The reversal of 409053 is 350904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (409043) and next prime (409063).

It is not a de Polignac number, because 409053 - 2⁵ = 409021 is a prime.

It is a super-3 number, since 3×409053³ = 205333590377375631, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68173 + ... + 68178.

It is an arithmetic number, because the mean of its divisors is an integer number (136352).

2⁴⁰⁹⁰⁵³ is an apocalyptic number.

It is an amenable number.

409053 is a deficient number, since it is larger than the sum of its proper divisors (136355).

409053 is a wasteful number, since it uses less digits than its factorization.

409053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136354.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 409053 is about 639.5725134807. The cubic root of 409053 is about 74.2323473776.

Adding to 409053 its reverse (350904), we get a palindrome (759957).

The spelling of 409053 in words is "four hundred nine thousand, fifty-three".