1040425321 has 4 divisors (see below), whose sum is σ = 1120458052. Its totient is φ = 960392592.

The previous prime is 1040425301. The next prime is 1040425327. The reversal of 1040425321 is 1235240401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129049600 + 911375721 = 11360^2 + 30189^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040425321 - 2⁵ = 1040425289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1040425292 and 1040425301.

It is not an unprimeable number, because it can be changed into a prime (1040425327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40016346 + ... + 40016371.

It is an arithmetic number, because the mean of its divisors is an integer number (280114513).

Almost surely, 2^1040425321 is an apocalyptic number.

It is an amenable number.

1040425321 is a deficient number, since it is larger than the sum of its proper divisors (80032731).

1040425321 is an equidigital number, since it uses as much as digits as its factorization.

1040425321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80032730.

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

The square root of 1040425321 is about 32255.6246412932. The cubic root of 1040425321 is about 1013.2974997308.

Adding to 1040425321 its reverse (1235240401), we get a palindrome (2275665722).

The spelling of 1040425321 in words is "one billion, forty million, four hundred twenty-five thousand, three hundred twenty-one".