52345231 has 2 divisors, whose sum is σ = 52345232. Its totient is φ = 52345230.

The previous prime is 52345229. The next prime is 52345253. The reversal of 52345231 is 13254325.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52345231 - 2¹ = 52345229 is a prime.

It is a super-2 number, since 2×52345231² = 5480046416886722, which contains 22 as substring.

Together with 52345229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 52345196 and 52345205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52345201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26172615 + 26172616.

It is an arithmetic number, because the mean of its divisors is an integer number (26172616).

Almost surely, 2^52345231 is an apocalyptic number.

52345231 is a deficient number, since it is larger than the sum of its proper divisors (1).

52345231 is an equidigital number, since it uses as much as digits as its factorization.

52345231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3600, while the sum is 25.

The square root of 52345231 is about 7235.0004146510. Note that the first 3 decimals coincide. The cubic root of 52345231 is about 374.0753063110.

Adding to 52345231 its reverse (13254325), we get a palindrome (65599556).

It can be divided in two parts, 523 and 45231, that added together give a palindrome (45754).

The spelling of 52345231 in words is "fifty-two million, three hundred forty-five thousand, two hundred thirty-one".