52125999 has 16 divisors (see below), whose sum is σ = 71207424. Its totient is φ = 33908000.

The previous prime is 52125991. The next prime is 52126031. The reversal of 52125999 is 99952125.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52125999 - 2³ = 52125991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52125999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52125991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20302 + ... + 22724.

It is an arithmetic number, because the mean of its divisors is an integer number (4450464).

Almost surely, 2^52125999 is an apocalyptic number.

52125999 is a deficient number, since it is larger than the sum of its proper divisors (19081425).

52125999 is a wasteful number, since it uses less digits than its factorization.

52125999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598.

The product of its digits is 72900, while the sum is 42.

The square root of 52125999 is about 7219.8337238471. The cubic root of 52125999 is about 373.5523421785.

It can be divided in two parts, 5212 and 5999, that added together give a palindrome (11211).

The spelling of 52125999 in words is "fifty-two million, one hundred twenty-five thousand, nine hundred ninety-nine".