1325405504 has 14 divisors (see below), whose sum is σ = 2630101674. Its totient is φ = 662702720.

The previous prime is 1325405491. The next prime is 1325405509. The reversal of 1325405504 is 4055045231.

It can be written as a sum of positive squares in only one way, i.e., 919302400 + 406103104 = 30320^2 + 20152^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325405509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10354667 + ... + 10354794.

Almost surely, 2^1325405504 is an apocalyptic number.

It is an amenable number.

1325405504 is a deficient number, since it is larger than the sum of its proper divisors (1304696170).

1325405504 is an equidigital number, since it uses as much as digits as its factorization.

1325405504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20709473 (or 20709463 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1325405504 is about 36406.1190461164. The cubic root of 1325405504 is about 1098.4566521575.

The spelling of 1325405504 in words is "one billion, three hundred twenty-five million, four hundred five thousand, five hundred four".