1325404079 has 4 divisors (see below), whose sum is σ = 1326688176. Its totient is φ = 1324119984.

The previous prime is 1325404057. The next prime is 1325404097. The reversal of 1325404079 is 9704045231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325404079 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 (1325404879) 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, 640499 + ... + 642564.

It is an arithmetic number, because the mean of its divisors is an integer number (331672044).

Almost surely, 2^1325404079 is an apocalyptic number.

1325404079 is a deficient number, since it is larger than the sum of its proper divisors (1284097).

1325404079 is a wasteful number, since it uses less digits than its factorization.

1325404079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284096.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1325404079 is about 36406.0994752253. The cubic root of 1325404079 is about 1098.4562584915.

The spelling of 1325404079 in words is "one billion, three hundred twenty-five million, four hundred four thousand, seventy-nine".