1448267257 has 2 divisors, whose sum is σ = 1448267258. Its totient is φ = 1448267256.

The previous prime is 1448267201. The next prime is 1448267297. The reversal of 1448267257 is 7527628441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1433682496 + 14584761 = 37864^2 + 3819^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448267257 - 2¹⁹ = 1447742969 is a prime.

It is not a weakly prime, because it can be changed into another prime (1448267297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724133628 + 724133629.

It is an arithmetic number, because the mean of its divisors is an integer number (724133629).

Almost surely, 2^1448267257 is an apocalyptic number.

It is an amenable number.

1448267257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448267257 is an equidigital number, since it uses as much as digits as its factorization.

1448267257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 752640, while the sum is 46.

The square root of 1448267257 is about 38056.1066978744. The cubic root of 1448267257 is about 1131.4001640165.

The spelling of 1448267257 in words is "one billion, four hundred forty-eight million, two hundred sixty-seven thousand, two hundred fifty-seven".