245016271 has 2 divisors, whose sum is σ = 245016272. Its totient is φ = 245016270.

The previous prime is 245016259. The next prime is 245016293. The reversal of 245016271 is 172610542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245016271 - 2²³ = 236627663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245016071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122508135 + 122508136.

It is an arithmetic number, because the mean of its divisors is an integer number (122508136).

Almost surely, 2^245016271 is an apocalyptic number.

245016271 is a deficient number, since it is larger than the sum of its proper divisors (1).

245016271 is an equidigital number, since it uses as much as digits as its factorization.

245016271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 245016271 is about 15652.9955918987. The cubic root of 245016271 is about 625.7463263604.

It can be divided in two parts, 2450 and 16271, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 245016271 in words is "two hundred forty-five million, sixteen thousand, two hundred seventy-one".