1325804734 has 4 divisors (see below), whose sum is σ = 1988707104. Its totient is φ = 662902366.

The previous prime is 1325804713. The next prime is 1325804747. The reversal of 1325804734 is 4374085231.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1325804693 and 1325804702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331451182 + ... + 331451185.

It is an arithmetic number, because the mean of its divisors is an integer number (497176776).

Almost surely, 2^1325804734 is an apocalyptic number.

1325804734 is a deficient number, since it is larger than the sum of its proper divisors (662902370).

1325804734 is an equidigital number, since it uses as much as digits as its factorization.

1325804734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662902369.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 1325804734 is about 36411.6016401366. The cubic root of 1325804734 is about 1098.5669310682.

Adding to 1325804734 its reverse (4374085231), we get a palindrome (5699889965).

The spelling of 1325804734 in words is "one billion, three hundred twenty-five million, eight hundred four thousand, seven hundred thirty-four".