1005427463 has 4 divisors (see below), whose sum is σ = 1007052360. Its totient is φ = 1003802568.

The previous prime is 1005427459. The next prime is 1005427499. The reversal of 1005427463 is 3647245001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3647245001 = 29 ⋅125767069.

It is a cyclic number.

It is not a de Polignac number, because 1005427463 - 2² = 1005427459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005427403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 811520 + ... + 812757.

It is an arithmetic number, because the mean of its divisors is an integer number (251763090).

Almost surely, 2^1005427463 is an apocalyptic number.

1005427463 is a deficient number, since it is larger than the sum of its proper divisors (1624897).

1005427463 is an equidigital number, since it uses as much as digits as its factorization.

1005427463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624896.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 1005427463 is about 31708.4762011674. The cubic root of 1005427463 is about 1001.8058911274.

The spelling of 1005427463 in words is "one billion, five million, four hundred twenty-seven thousand, four hundred sixty-three".