405165275 has 6 divisors (see below), whose sum is σ = 502404972. Its totient is φ = 324132200.

The previous prime is 405165269. The next prime is 405165287. The reversal of 405165275 is 572561504.

It is not a de Polignac number, because 405165275 - 2⁴ = 405165259 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8103281 + ... + 8103330.

It is an arithmetic number, because the mean of its divisors is an integer number (83734162).

Almost surely, 2^405165275 is an apocalyptic number.

405165275 is a deficient number, since it is larger than the sum of its proper divisors (97239697).

405165275 is a wasteful number, since it uses less digits than its factorization.

405165275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16206621 (or 16206616 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 405165275 is about 20128.7176690419. The cubic root of 405165275 is about 739.9642513775.

The spelling of 405165275 in words is "four hundred five million, one hundred sixty-five thousand, two hundred seventy-five".