1005450427 has 2 divisors, whose sum is σ = 1005450428. Its totient is φ = 1005450426.

The previous prime is 1005450409. The next prime is 1005450443. The reversal of 1005450427 is 7240545001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1005450427 - 2¹⁵ = 1005417659 is a prime.

It is a super-2 number, since 2×1005450427² = 2021861122308964658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1005450395 and 1005450404.

It is not a weakly prime, because it can be changed into another prime (1005450487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502725213 + 502725214.

It is an arithmetic number, because the mean of its divisors is an integer number (502725214).

Almost surely, 2^1005450427 is an apocalyptic number.

1005450427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005450427 is an equidigital number, since it uses as much as digits as its factorization.

1005450427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 1005450427 is about 31708.8383104774. The cubic root of 1005450427 is about 1001.8135181637.

Adding to 1005450427 its reverse (7240545001), we get a palindrome (8245995428).

The spelling of 1005450427 in words is "one billion, five million, four hundred fifty thousand, four hundred twenty-seven".