245022077 has 2 divisors, whose sum is σ = 245022078. Its totient is φ = 245022076.

The previous prime is 245022031. The next prime is 245022079. The reversal of 245022077 is 770220542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130553476 + 114468601 = 11426^2 + 10699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245022077 is a prime.

Together with 245022079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245022079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122511038 + 122511039.

It is an arithmetic number, because the mean of its divisors is an integer number (122511039).

Almost surely, 2^245022077 is an apocalyptic number.

It is an amenable number.

245022077 is a deficient number, since it is larger than the sum of its proper divisors (1).

245022077 is an equidigital number, since it uses as much as digits as its factorization.

245022077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 245022077 is about 15653.1810505086. The cubic root of 245022077 is about 625.7512689634.

The spelling of 245022077 in words is "two hundred forty-five million, twenty-two thousand, seventy-seven".