52609231 has 8 divisors (see below), whose sum is σ = 53892864. Its totient is φ = 51336480.

The previous prime is 52609223. The next prime is 52609243. The reversal of 52609231 is 13290625.

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 52609231 - 2³ = 52609223 is a prime.

It is a super-2 number, since 2×52609231² = 5535462372822722, which contains 22 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 52609231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52609031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7525 + ... + 12721.

It is an arithmetic number, because the mean of its divisors is an integer number (6736608).

Almost surely, 2^52609231 is an apocalyptic number.

52609231 is a deficient number, since it is larger than the sum of its proper divisors (1283633).

52609231 is a wasteful number, since it uses less digits than its factorization.

52609231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5441.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 52609231 is about 7253.2221115860. Note that the first 3 decimals coincide. The cubic root of 52609231 is about 374.7031274102.

Adding to 52609231 its reverse (13290625), we get a palindrome (65899856).

The spelling of 52609231 in words is "fifty-two million, six hundred nine thousand, two hundred thirty-one".