405329057 has 4 divisors (see below), whose sum is σ = 463233216. Its totient is φ = 347424900.

The previous prime is 405329017. The next prime is 405329063. The reversal of 405329057 is 750923504.

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 a cyclic number.

It is not a de Polignac number, because 405329057 - 2⁸ = 405328801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405329017) 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 3 ways as a sum of consecutive naturals, for example, 28952069 + ... + 28952082.

It is an arithmetic number, because the mean of its divisors is an integer number (115808304).

Almost surely, 2^405329057 is an apocalyptic number.

It is an amenable number.

405329057 is a deficient number, since it is larger than the sum of its proper divisors (57904159).

405329057 is an equidigital number, since it uses as much as digits as its factorization.

405329057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57904158.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 405329057 is about 20132.7856244485. The cubic root of 405329057 is about 740.0639444378.

The spelling of 405329057 in words is "four hundred five million, three hundred twenty-nine thousand, fifty-seven".