1325451004 has 24 divisors (see below), whose sum is σ = 2428102656. Its totient is φ = 632310000.

The previous prime is 1325450953. The next prime is 1325451007. The reversal of 1325451004 is 4001545231.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1325451004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325451007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66472 + ... + 84079.

It is an arithmetic number, because the mean of its divisors is an integer number (101170944).

Almost surely, 2^1325451004 is an apocalyptic number.

It is an amenable number.

1325451004 is a deficient number, since it is larger than the sum of its proper divisors (1102651652).

1325451004 is a wasteful number, since it uses less digits than its factorization.

1325451004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150657 (or 150655 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1325451004 is about 36406.7439357051. The cubic root of 1325451004 is about 1098.4692216958.

Adding to 1325451004 its reverse (4001545231), we get a palindrome (5326996235).

The spelling of 1325451004 in words is "one billion, three hundred twenty-five million, four hundred fifty-one thousand, four".