245768101 has 2 divisors, whose sum is σ = 245768102. Its totient is φ = 245768100.

The previous prime is 245768057. The next prime is 245768129. The reversal of 245768101 is 101867542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163865601 + 81902500 = 12801^2 + 9050^2 .

It is a cyclic number.

It is not a de Polignac number, because 245768101 - 2²¹ = 243670949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245768141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122884050 + 122884051.

It is an arithmetic number, because the mean of its divisors is an integer number (122884051).

Almost surely, 2^245768101 is an apocalyptic number.

It is an amenable number.

245768101 is a deficient number, since it is larger than the sum of its proper divisors (1).

245768101 is an equidigital number, since it uses as much as digits as its factorization.

245768101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 245768101 is about 15676.9927281989. The cubic root of 245768101 is about 626.3857049643.

The spelling of 245768101 in words is "two hundred forty-five million, seven hundred sixty-eight thousand, one hundred one".