248175149 has 2 divisors, whose sum is σ = 248175150. Its totient is φ = 248175148.

The previous prime is 248175133. The next prime is 248175157. The reversal of 248175149 is 941571842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 230493124 + 17682025 = 15182^2 + 4205^2 .

It is a cyclic number.

It is not a de Polignac number, because 248175149 - 2⁴ = 248175133 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248175199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124087574 + 124087575.

It is an arithmetic number, because the mean of its divisors is an integer number (124087575).

Almost surely, 2^248175149 is an apocalyptic number.

It is an amenable number.

248175149 is a deficient number, since it is larger than the sum of its proper divisors (1).

248175149 is an equidigital number, since it uses as much as digits as its factorization.

248175149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The square root of 248175149 is about 15753.5757528251. The cubic root of 248175149 is about 628.4240015006.

The spelling of 248175149 in words is "two hundred forty-eight million, one hundred seventy-five thousand, one hundred forty-nine".