401130565 has 48 divisors (see below), whose sum is σ = 562904640. Its totient is φ = 272067840.

The previous prime is 401130539. The next prime is 401130577. The reversal of 401130565 is 565031104.

It is not a de Polignac number, because 401130565 - 2⁷ = 401130437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1766982 + ... + 1767208.

It is an arithmetic number, because the mean of its divisors is an integer number (11727180).

Almost surely, 2^401130565 is an apocalyptic number.

It is an amenable number.

401130565 is a deficient number, since it is larger than the sum of its proper divisors (161774075).

401130565 is a wasteful number, since it uses less digits than its factorization.

401130565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 401130565 is about 20028.2441816551. The cubic root of 401130565 is about 737.4998195920.

Adding to 401130565 its reverse (565031104), we get a palindrome (966161669).

The spelling of 401130565 in words is "four hundred one million, one hundred thirty thousand, five hundred sixty-five".