1057271463 has 12 divisors (see below), whose sum is σ = 1617003648. Its totient is φ = 663385920.

The previous prime is 1057271447. The next prime is 1057271471. The reversal of 1057271463 is 3641727501.

It is a happy number.

1057271463 is a `hidden beast` number, since 10 + 572 + 7 + 14 + 63 = 666.

It is not a de Polignac number, because 1057271463 - 2⁴ = 1057271447 is a prime.

It is a super-2 number, since 2×1057271463² = 2235645892948320738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057271443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3454983 + ... + 3455288.

It is an arithmetic number, because the mean of its divisors is an integer number (134750304).

Almost surely, 2^1057271463 is an apocalyptic number.

1057271463 is a deficient number, since it is larger than the sum of its proper divisors (559732185).

1057271463 is a wasteful number, since it uses less digits than its factorization.

1057271463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910294 (or 6910291 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 1057271463 is about 32515.7110179064. The cubic root of 1057271463 is about 1018.7372117882.

Adding to 1057271463 its reverse (3641727501), we get a palindrome (4698998964).

The spelling of 1057271463 in words is "one billion, fifty-seven million, two hundred seventy-one thousand, four hundred sixty-three".