252123424541 has 2 divisors, whose sum is σ = 252123424542. Its totient is φ = 252123424540.

The previous prime is 252123424517. The next prime is 252123424571. The reversal of 252123424541 is 145424321252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252058218916 + 65205625 = 502054^2 + 8075^2 .

It is a cyclic number.

It is not a de Polignac number, because 252123424541 - 2¹⁴ = 252123408157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252123424571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126061712270 + 126061712271.

It is an arithmetic number, because the mean of its divisors is an integer number (126061712271).

Almost surely, 2^252123424541 is an apocalyptic number.

It is an amenable number.

252123424541 is a deficient number, since it is larger than the sum of its proper divisors (1).

252123424541 is an equidigital number, since it uses as much as digits as its factorization.

252123424541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76800, while the sum is 35.

Adding to 252123424541 its reverse (145424321252), we get a palindrome (397547745793).

The spelling of 252123424541 in words is "two hundred fifty-two billion, one hundred twenty-three million, four hundred twenty-four thousand, five hundred forty-one".