248262457 has 2 divisors, whose sum is σ = 248262458. Its totient is φ = 248262456.

The previous prime is 248262449. The next prime is 248262463. The reversal of 248262457 is 754262842.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234579856 + 13682601 = 15316^2 + 3699^2 .

It is a cyclic number.

It is not a de Polignac number, because 248262457 - 2³ = 248262449 is a prime.

It is not a weakly prime, because it can be changed into another prime (248262467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124131228 + 124131229.

It is an arithmetic number, because the mean of its divisors is an integer number (124131229).

Almost surely, 2^248262457 is an apocalyptic number.

It is an amenable number.

248262457 is a deficient number, since it is larger than the sum of its proper divisors (1).

248262457 is an equidigital number, since it uses as much as digits as its factorization.

248262457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 40.

The square root of 248262457 is about 15756.3465625760. The cubic root of 248262457 is about 628.4976860337.

The spelling of 248262457 in words is "two hundred forty-eight million, two hundred sixty-two thousand, four hundred fifty-seven".