401104513 has 4 divisors (see below), whose sum is σ = 402136020. Its totient is φ = 400073008.

The previous prime is 401104499. The next prime is 401104519. The reversal of 401104513 is 315401104.

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 79691329 + 321413184 = 8927^2 + 17928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401104513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401104519) 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, 515170 + ... + 515947.

It is an arithmetic number, because the mean of its divisors is an integer number (100534005).

Almost surely, 2^401104513 is an apocalyptic number.

It is an amenable number.

401104513 is a deficient number, since it is larger than the sum of its proper divisors (1031507).

401104513 is a wasteful number, since it uses less digits than its factorization.

401104513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031506.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 401104513 is about 20027.5937895694. The cubic root of 401104513 is about 737.4838532518.

Adding to 401104513 its reverse (315401104), we get a palindrome (716505617).

The spelling of 401104513 in words is "four hundred one million, one hundred four thousand, five hundred thirteen".