1040006425 has 6 divisors (see below), whose sum is σ = 1289607998. Its totient is φ = 832005120.

The previous prime is 1040006413. The next prime is 1040006431. The reversal of 1040006425 is 5246000401.

It can be written as a sum of positive squares in 3 ways, for example, as 1104601 + 1038901824 = 1051^2 + 32232^2 .

It is not a de Polignac number, because 1040006425 - 2¹¹ = 1040004377 is a prime.

It is a super-2 number, since 2×1040006425² = 2163226728082561250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040006396 and 1040006405.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20800104 + ... + 20800153.

Almost surely, 2^1040006425 is an apocalyptic number.

It is an amenable number.

1040006425 is a deficient number, since it is larger than the sum of its proper divisors (249601573).

1040006425 is an equidigital number, since it uses as much as digits as its factorization.

1040006425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41600267 (or 41600262 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1040006425 is about 32249.1306084366. The cubic root of 1040006425 is about 1013.1614902098.

Adding to 1040006425 its reverse (5246000401), we get a palindrome (6286006826).

The spelling of 1040006425 in words is "one billion, forty million, six thousand, four hundred twenty-five".