409047053 has 4 divisors (see below), whose sum is σ = 409092060. Its totient is φ = 409002048.

The previous prime is 409047043. The next prime is 409047091. The reversal of 409047053 is 350740904.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 27899524 + 381147529 = 5282^2 + 19523^2 .

It is a cyclic number.

It is not a de Polignac number, because 409047053 - 2¹² = 409042957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409047043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3548 + ... + 28821.

It is an arithmetic number, because the mean of its divisors is an integer number (102273015).

Almost surely, 2^409047053 is an apocalyptic number.

It is an amenable number.

409047053 is a deficient number, since it is larger than the sum of its proper divisors (45007).

409047053 is a wasteful number, since it uses less digits than its factorization.

409047053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45006.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 409047053 is about 20224.9116932559. The cubic root of 409047053 is about 742.3198763456.

Adding to 409047053 its reverse (350740904), we get a palindrome (759787957).

The spelling of 409047053 in words is "four hundred nine million, forty-seven thousand, fifty-three".