405235052 has 12 divisors (see below), whose sum is σ = 750876840. Its totient is φ = 190698816.

The previous prime is 405235049. The next prime is 405235073. The reversal of 405235052 is 250532504.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2979602 + ... + 2979737.

It is an arithmetic number, because the mean of its divisors is an integer number (62573070).

Almost surely, 2^405235052 is an apocalyptic number.

It is an amenable number.

405235052 is a deficient number, since it is larger than the sum of its proper divisors (345641788).

405235052 is a wasteful number, since it uses less digits than its factorization.

405235052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5959360 (or 5959358 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 405235052 is about 20130.4508643001. The cubic root of 405235052 is about 740.0067274772.

Adding to 405235052 its reverse (250532504), we get a palindrome (655767556).

The spelling of 405235052 in words is "four hundred five million, two hundred thirty-five thousand, fifty-two".