245270744057 has 2 divisors, whose sum is σ = 245270744058. Its totient is φ = 245270744056.

The previous prime is 245270743967. The next prime is 245270744087. The reversal of 245270744057 is 750447072542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208816097296 + 36454646761 = 456964^2 + 190931^2 .

It is a cyclic number.

It is not a de Polignac number, because 245270744057 - 2³⁰ = 244197002233 is a prime.

It is not a weakly prime, because it can be changed into another prime (245270744087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122635372028 + 122635372029.

It is an arithmetic number, because the mean of its divisors is an integer number (122635372029).

Almost surely, 2^245270744057 is an apocalyptic number.

It is an amenable number.

245270744057 is a deficient number, since it is larger than the sum of its proper divisors (1).

245270744057 is an equidigital number, since it uses as much as digits as its factorization.

245270744057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2195200, while the sum is 47.

The spelling of 245270744057 in words is "two hundred forty-five billion, two hundred seventy million, seven hundred forty-four thousand, fifty-seven".