245553540252271 has 2 divisors, whose sum is σ = 245553540252272. Its totient is φ = 245553540252270.

The previous prime is 245553540252269. The next prime is 245553540252283. The reversal of 245553540252271 is 172252045355542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245553540252271 - 2¹ = 245553540252269 is a prime.

It is a super-2 number, since 2×245553540252271² (a number of 30 digits) contains 22 as substring.

Together with 245553540252269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245553540232271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122776770126135 + 122776770126136.

It is an arithmetic number, because the mean of its divisors is an integer number (122776770126136).

Almost surely, 2^{245553540252271} is an apocalyptic number.

245553540252271 is a deficient number, since it is larger than the sum of its proper divisors (1).

245553540252271 is an equidigital number, since it uses as much as digits as its factorization.

245553540252271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800000, while the sum is 52.

The spelling of 245553540252271 in words is "two hundred forty-five trillion, five hundred fifty-three billion, five hundred forty million, two hundred fifty-two thousand, two hundred seventy-one".