1005424957 has 4 divisors (see below), whose sum is σ = 1058342080. Its totient is φ = 952507836.

The previous prime is 1005424943. The next prime is 1005424963. The reversal of 1005424957 is 7594245001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7594245001 = 7 ⋅1084892143.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005424957 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 (1005424157) 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, 26458533 + ... + 26458570.

It is an arithmetic number, because the mean of its divisors is an integer number (264585520).

Almost surely, 2^1005424957 is an apocalyptic number.

It is an amenable number.

1005424957 is a deficient number, since it is larger than the sum of its proper divisors (52917123).

1005424957 is an equidigital number, since it uses as much as digits as its factorization.

1005424957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52917122.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1005424957 is about 31708.4366848951. The cubic root of 1005424957 is about 1001.8050588023.

Adding to 1005424957 its reverse (7594245001), we get a palindrome (8599669958).

The spelling of 1005424957 in words is "one billion, five million, four hundred twenty-four thousand, nine hundred fifty-seven".