404051 has 2 divisors, whose sum is σ = 404052. Its totient is φ = 404050.

The previous prime is 404029. The next prime is 404081. The reversal of 404051 is 150404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404051 - 2¹⁸ = 141907 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (404011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202025 + 202026.

It is an arithmetic number, because the mean of its divisors is an integer number (202026).

2⁴⁰⁴⁰⁵¹ is an apocalyptic number.

404051 is a deficient number, since it is larger than the sum of its proper divisors (1).

404051 is an equidigital number, since it uses as much as digits as its factorization.

404051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 404051 is about 635.6500609612. The cubic root of 404051 is about 73.9285285093.

Adding to 404051 its reverse (150404), we get a palindrome (554455).

The spelling of 404051 in words is "four hundred four thousand, fifty-one".