248564077 has 2 divisors, whose sum is σ = 248564078. Its totient is φ = 248564076.

The previous prime is 248564009. The next prime is 248564087. The reversal of 248564077 is 770465842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247779081 + 784996 = 15741^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 248564077 - 2⁷ = 248563949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248564087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124282038 + 124282039.

It is an arithmetic number, because the mean of its divisors is an integer number (124282039).

Almost surely, 2^248564077 is an apocalyptic number.

It is an amenable number.

248564077 is a deficient number, since it is larger than the sum of its proper divisors (1).

248564077 is an equidigital number, since it uses as much as digits as its factorization.

248564077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 376320, while the sum is 43.

The square root of 248564077 is about 15765.9150384619. The cubic root of 248564077 is about 628.7521086531.

The spelling of 248564077 in words is "two hundred forty-eight million, five hundred sixty-four thousand, seventy-seven".