52250013 has 12 divisors (see below), whose sum is σ = 75641280. Its totient is φ = 34755336.

The previous prime is 52249991. The next prime is 52250021. The reversal of 52250013 is 31005225.

It is a happy number.

It is not a de Polignac number, because 52250013 - 2⁹ = 52249501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52250053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2103 + ... + 10436.

It is an arithmetic number, because the mean of its divisors is an integer number (6303440).

Almost surely, 2^52250013 is an apocalyptic number.

It is an amenable number.

52250013 is a deficient number, since it is larger than the sum of its proper divisors (23391267).

52250013 is a wasteful number, since it uses less digits than its factorization.

52250013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13008 (or 13005 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 52250013 is about 7228.4170466292. The cubic root of 52250013 is about 373.8483494902.

Adding to 52250013 its reverse (31005225), we get a palindrome (83255238).

The spelling of 52250013 in words is "fifty-two million, two hundred fifty thousand, thirteen".