248127457 has 2 divisors, whose sum is σ = 248127458. Its totient is φ = 248127456.

The previous prime is 248127409. The next prime is 248127533. The reversal of 248127457 is 754721842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245580241 + 2547216 = 15671^2 + 1596^2 .

It is a cyclic number.

It is not a de Polignac number, because 248127457 - 2¹⁵ = 248094689 is a prime.

It is not a weakly prime, because it can be changed into another prime (248127557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124063728 + 124063729.

It is an arithmetic number, because the mean of its divisors is an integer number (124063729).

Almost surely, 2^248127457 is an apocalyptic number.

It is an amenable number.

248127457 is a deficient number, since it is larger than the sum of its proper divisors (1).

248127457 is an equidigital number, since it uses as much as digits as its factorization.

248127457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125440, while the sum is 40.

The square root of 248127457 is about 15752.0619920060. The cubic root of 248127457 is about 628.3837440216.

The spelling of 248127457 in words is "two hundred forty-eight million, one hundred twenty-seven thousand, four hundred fifty-seven".