252107543 has 2 divisors, whose sum is σ = 252107544. Its totient is φ = 252107542.

The previous prime is 252107519. The next prime is 252107549. The reversal of 252107543 is 345701252.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252107543 - 2²⁴ = 235330327 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252107549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126053771 + 126053772.

It is an arithmetic number, because the mean of its divisors is an integer number (126053772).

Almost surely, 2^252107543 is an apocalyptic number.

252107543 is a deficient number, since it is larger than the sum of its proper divisors (1).

252107543 is an equidigital number, since it uses as much as digits as its factorization.

252107543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 252107543 is about 15877.8947911869. The cubic root of 252107543 is about 631.7257988733.

Adding to 252107543 its reverse (345701252), we get a palindrome (597808795).

The spelling of 252107543 in words is "two hundred fifty-two million, one hundred seven thousand, five hundred forty-three".