252255520455541 has 2 divisors, whose sum is σ = 252255520455542. Its totient is φ = 252255520455540.

The previous prime is 252255520455529. The next prime is 252255520455569. The reversal of 252255520455541 is 145554025552252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247290689779441 + 4964830676100 = 15725479^2 + 2228190^2 .

It is a cyclic number.

It is not a de Polignac number, because 252255520455541 - 2¹³ = 252255520447349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252255520455641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126127760227770 + 126127760227771.

It is an arithmetic number, because the mean of its divisors is an integer number (126127760227771).

Almost surely, 2^{252255520455541} is an apocalyptic number.

It is an amenable number.

252255520455541 is a deficient number, since it is larger than the sum of its proper divisors (1).

252255520455541 is an equidigital number, since it uses as much as digits as its factorization.

252255520455541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20000000, while the sum is 52.

The spelling of 252255520455541 in words is "two hundred fifty-two trillion, two hundred fifty-five billion, five hundred twenty million, four hundred fifty-five thousand, five hundred forty-one".