52505001 has 6 divisors (see below), whose sum is σ = 75840570. Its totient is φ = 35003328.

The previous prime is 52504987. The next prime is 52505069. The reversal of 52505001 is 10050525.

It can be written as a sum of positive squares in only one way, i.e., 51494976 + 1010025 = 7176^2 + 1005^2 .

It is not a de Polignac number, because 52505001 - 2⁹ = 52504489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52505501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2916936 + ... + 2916953.

It is an arithmetic number, because the mean of its divisors is an integer number (12640095).

Almost surely, 2^52505001 is an apocalyptic number.

It is an amenable number.

52505001 is a deficient number, since it is larger than the sum of its proper divisors (23335569).

52505001 is a wasteful number, since it uses less digits than its factorization.

52505001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833895 (or 5833892 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 52505001 is about 7246.0334666630. The cubic root of 52505001 is about 374.4555084599.

Adding to 52505001 its reverse (10050525), we get a palindrome (62555526).

The spelling of 52505001 in words is "fifty-two million, five hundred five thousand, one".