52031405 has 16 divisors (see below), whose sum is σ = 68584320. Its totient is φ = 37718208.

The previous prime is 52031401. The next prime is 52031411. The reversal of 52031405 is 50413025.

It is a cyclic number.

It is not a de Polignac number, because 52031405 - 2² = 52031401 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52031401) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9722 + ... + 14091.

It is an arithmetic number, because the mean of its divisors is an integer number (4286520).

Almost surely, 2^52031405 is an apocalyptic number.

It is an amenable number.

52031405 is a deficient number, since it is larger than the sum of its proper divisors (16552915).

52031405 is a wasteful number, since it uses less digits than its factorization.

52031405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23860.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 52031405 is about 7213.2797672071. The cubic root of 52031405 is about 373.3262412733.

The spelling of 52031405 in words is "fifty-two million, thirty-one thousand, four hundred five".