245245298971 has 2 divisors, whose sum is σ = 245245298972. Its totient is φ = 245245298970.

The previous prime is 245245298933. The next prime is 245245299017. The reversal of 245245298971 is 179892542542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245245298971 - 2¹³ = 245245290779 is a prime.

It is not a weakly prime, because it can be changed into another prime (245245298071) 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, 122622649485 + 122622649486.

It is an arithmetic number, because the mean of its divisors is an integer number (122622649486).

Almost surely, 2^245245298971 is an apocalyptic number.

245245298971 is a deficient number, since it is larger than the sum of its proper divisors (1).

245245298971 is an equidigital number, since it uses as much as digits as its factorization.

245245298971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 58.

The spelling of 245245298971 in words is "two hundred forty-five billion, two hundred forty-five million, two hundred ninety-eight thousand, nine hundred seventy-one".