409151 has 4 divisors (see below), whose sum is σ = 413304. Its totient is φ = 405000.

The previous prime is 409121. The next prime is 409153. The reversal of 409151 is 151904.

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

It is a cyclic number.

It is not a de Polignac number, because 409151 - 2¹⁰ = 408127 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409153) 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, 1925 + ... + 2126.

It is an arithmetic number, because the mean of its divisors is an integer number (103326).

2⁴⁰⁹¹⁵¹ is an apocalyptic number.

409151 is a deficient number, since it is larger than the sum of its proper divisors (4153).

409151 is a wasteful number, since it uses less digits than its factorization.

409151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 409151 is about 639.6491225664. The cubic root of 409151 is about 74.2382750440.

The spelling of 409151 in words is "four hundred nine thousand, one hundred fifty-one".