405241375 has 64 divisors (see below), whose sum is σ = 640493568. Its totient is φ = 248640000.

The previous prime is 405241351. The next prime is 405241387. The reversal of 405241375 is 573142504.

It is not a de Polignac number, because 405241375 - 2⁷ = 405241247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 683079 + ... + 683671.

It is an arithmetic number, because the mean of its divisors is an integer number (10007712).

Almost surely, 2^405241375 is an apocalyptic number.

405241375 is a deficient number, since it is larger than the sum of its proper divisors (235252193).

405241375 is a wasteful number, since it uses less digits than its factorization.

405241375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 405241375 is about 20130.6079143179. The cubic root of 405241375 is about 740.0105763037.

Adding to 405241375 its reverse (573142504), we get a palindrome (978383879).

The spelling of 405241375 in words is "four hundred five million, two hundred forty-one thousand, three hundred seventy-five".