404301013 has 4 divisors (see below), whose sum is σ = 411929388. Its totient is φ = 396672640.

The previous prime is 404300993. The next prime is 404301017. The reversal of 404301013 is 310103404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 136585969 + 267715044 = 11687^2 + 16362^2 .

It is a cyclic number.

It is not a de Polignac number, because 404301013 - 2²¹ = 402203861 is a prime.

It is a super-2 number, since 2×404301013² = 326918618225652338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404301017) 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, 3814108 + ... + 3814213.

It is an arithmetic number, because the mean of its divisors is an integer number (102982347).

Almost surely, 2^404301013 is an apocalyptic number.

It is an amenable number.

404301013 is a deficient number, since it is larger than the sum of its proper divisors (7628375).

404301013 is an equidigital number, since it uses as much as digits as its factorization.

404301013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7628374.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 404301013 is about 20107.2378262157. The cubic root of 404301013 is about 739.4377351735.

Adding to 404301013 its reverse (310103404), we get a palindrome (714404417).

The spelling of 404301013 in words is "four hundred four million, three hundred one thousand, thirteen".