1325463400 has 48 divisors (see below), whose sum is σ = 3112261740. Its totient is φ = 524928000.

The previous prime is 1325463397. The next prime is 1325463407. The reversal of 1325463400 is 43645231.

It can be written as a sum of positive squares in 6 ways, for example, as 1226540484 + 98922916 = 35022^2 + 9946^2 .

It is not an unprimeable number, because it can be changed into a prime (1325463407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12609 + ... + 53008.

Almost surely, 2^1325463400 is an apocalyptic number.

1325463400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325463400 is an abundant number, since it is smaller than the sum of its proper divisors (1786798340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325463400 is a wasteful number, since it uses less digits than its factorization.

1325463400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65734 (or 65725 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1325463400 is about 36406.9141784909. The cubic root of 1325463400 is about 1098.4726460854.

The spelling of 1325463400 in words is "one billion, three hundred twenty-five million, four hundred sixty-three thousand, four hundred".