245585074171 has 2 divisors, whose sum is σ = 245585074172. Its totient is φ = 245585074170.

The previous prime is 245585074153. The next prime is 245585074181. The reversal of 245585074171 is 171470585542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245585074171 - 2¹¹ = 245585072123 is a prime.

It is not a weakly prime, because it can be changed into another prime (245585074151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122792537085 + 122792537086.

It is an arithmetic number, because the mean of its divisors is an integer number (122792537086).

Almost surely, 2^245585074171 is an apocalyptic number.

245585074171 is a deficient number, since it is larger than the sum of its proper divisors (1).

245585074171 is an equidigital number, since it uses as much as digits as its factorization.

245585074171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568000, while the sum is 49.

The spelling of 245585074171 in words is "two hundred forty-five billion, five hundred eighty-five million, seventy-four thousand, one hundred seventy-one".