1257468383 has 2 divisors, whose sum is σ = 1257468384. Its totient is φ = 1257468382.

The previous prime is 1257468371. The next prime is 1257468389. The reversal of 1257468383 is 3838647521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1257468383 - 2²⁴ = 1240691167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1257468389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628734191 + 628734192.

It is an arithmetic number, because the mean of its divisors is an integer number (628734192).

Almost surely, 2^1257468383 is an apocalyptic number.

1257468383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1257468383 is an equidigital number, since it uses as much as digits as its factorization.

1257468383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 47.

The square root of 1257468383 is about 35460.8006536795. The cubic root of 1257468383 is about 1079.3584389799.

The spelling of 1257468383 in words is "one billion, two hundred fifty-seven million, four hundred sixty-eight thousand, three hundred eighty-three".