52509253 has 8 divisors (see below), whose sum is σ = 56274048. Its totient is φ = 48867984.

The previous prime is 52509251. The next prime is 52509263. The reversal of 52509253 is 35290525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52509253 - 2¹ = 52509251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52509251) 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 7 ways as a sum of consecutive naturals, for example, 30001 + ... + 31702.

It is an arithmetic number, because the mean of its divisors is an integer number (7034256).

Almost surely, 2^52509253 is an apocalyptic number.

It is an amenable number.

52509253 is a deficient number, since it is larger than the sum of its proper divisors (3764795).

52509253 is a wasteful number, since it uses less digits than its factorization.

52509253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61763.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 52509253 is about 7246.3268626250. The cubic root of 52509253 is about 374.4656163341.

Adding to 52509253 its reverse (35290525), we get a palindrome (87799778).

The spelling of 52509253 in words is "fifty-two million, five hundred nine thousand, two hundred fifty-three".