52065405 has 24 divisors (see below), whose sum is σ = 103139712. Its totient is φ = 23801184.

The previous prime is 52065397. The next prime is 52065427. The reversal of 52065405 is 50456025.

52065405 is a `hidden beast` number, since 5 + 2 + 0 + 654 + 0 + 5 = 666.

It is not a de Polignac number, because 52065405 - 2³ = 52065397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82329 + ... + 82958.

It is an arithmetic number, because the mean of its divisors is an integer number (4297488).

Almost surely, 2^52065405 is an apocalyptic number.

It is an amenable number.

52065405 is a deficient number, since it is larger than the sum of its proper divisors (51074307).

52065405 is a wasteful number, since it uses less digits than its factorization.

52065405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165305 (or 165302 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 52065405 is about 7215.6361465917. The cubic root of 52065405 is about 373.4075404325.

The spelling of 52065405 in words is "fifty-two million, sixty-five thousand, four hundred five".