248575381 has 2 divisors, whose sum is σ = 248575382. Its totient is φ = 248575380.

The previous prime is 248575367. The next prime is 248575387. The reversal of 248575381 is 183575842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242300356 + 6275025 = 15566^2 + 2505^2 .

It is a cyclic number.

It is not a de Polignac number, because 248575381 - 2¹⁹ = 248051093 is a prime.

It is a super-2 number, since 2×248575381² = 123579440078590322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (248575387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124287690 + 124287691.

It is an arithmetic number, because the mean of its divisors is an integer number (124287691).

Almost surely, 2^248575381 is an apocalyptic number.

It is an amenable number.

248575381 is a deficient number, since it is larger than the sum of its proper divisors (1).

248575381 is an equidigital number, since it uses as much as digits as its factorization.

248575381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 43.

The square root of 248575381 is about 15766.2735292776. The cubic root of 248575381 is about 628.7616398052.

The spelling of 248575381 in words is "two hundred forty-eight million, five hundred seventy-five thousand, three hundred eighty-one".