52013501 has 4 divisors (see below), whose sum is σ = 53807100. Its totient is φ = 50219904.

The previous prime is 52013497. The next prime is 52013503. The reversal of 52013501 is 10531025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13697401 + 38316100 = 3701^2 + 6190^2 .

It is a cyclic number.

It is not a de Polignac number, because 52013501 - 2² = 52013497 is a prime.

It is a super-3 number, since 3×52013501³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52013501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52013503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896756 + ... + 896813.

It is an arithmetic number, because the mean of its divisors is an integer number (13451775).

Almost surely, 2^52013501 is an apocalyptic number.

It is an amenable number.

52013501 is a deficient number, since it is larger than the sum of its proper divisors (1793599).

52013501 is a wasteful number, since it uses less digits than its factorization.

52013501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793598.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 52013501 is about 7212.0386160918. The cubic root of 52013501 is about 373.2834158564.

Adding to 52013501 its reverse (10531025), we get a palindrome (62544526).

The spelling of 52013501 in words is "fifty-two million, thirteen thousand, five hundred one".