248573161 has 2 divisors, whose sum is σ = 248573162. Its totient is φ = 248573160.

The previous prime is 248573111. The next prime is 248573189. The reversal of 248573161 is 161375842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188897536 + 59675625 = 13744^2 + 7725^2 .

It is a cyclic number.

It is not a de Polignac number, because 248573161 - 2⁷ = 248573033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248573161.

It is not a weakly prime, because it can be changed into another prime (248573111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124286580 + 124286581.

It is an arithmetic number, because the mean of its divisors is an integer number (124286581).

Almost surely, 2^248573161 is an apocalyptic number.

It is an amenable number.

248573161 is a deficient number, since it is larger than the sum of its proper divisors (1).

248573161 is an equidigital number, since it uses as much as digits as its factorization.

248573161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 248573161 is about 15766.2031256736. The cubic root of 248573161 is about 628.7597679988.

The spelling of 248573161 in words is "two hundred forty-eight million, five hundred seventy-three thousand, one hundred sixty-one".