1325252880 has 160 divisors (see below), whose sum is σ = 5216928000. Its totient is φ = 302911488.

The previous prime is 1325252879. The next prime is 1325252911. The reversal of 1325252880 is 882525231.

1325252880 is a `hidden beast` number, since 1 + 3 + 2 + 52 + 528 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28705 + ... + 58944.

It is an arithmetic number, because the mean of its divisors is an integer number (32605800).

Almost surely, 2^1325252880 is an apocalyptic number.

1325252880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325252880 is an abundant number, since it is smaller than the sum of its proper divisors (3891675120).

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

1325252880 is a wasteful number, since it uses less digits than its factorization.

1325252880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87678 (or 87666 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1325252880 is about 36404.0228546242. The cubic root of 1325252880 is about 1098.4144871287.

The spelling of 1325252880 in words is "one billion, three hundred twenty-five million, two hundred fifty-two thousand, eight hundred eighty".