1325873970 has 48 divisors (see below), whose sum is σ = 3512327832. Its totient is φ = 346894080.

The previous prime is 1325873959. The next prime is 1325873971. The reversal of 1325873970 is 793785231.

It is a happy number.

1325873970 is a `hidden beast` number, since 1 + 3 + 258 + 7 + 397 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 892276641 + 433597329 = 29871^2 + 20823^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1325873971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134211 + ... + 143750.

Almost surely, 2^1325873970 is an apocalyptic number.

1325873970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1325873970 is an abundant number, since it is smaller than the sum of its proper divisors (2186453862).

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

1325873970 is a wasteful number, since it uses less digits than its factorization.

1325873970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278027 (or 278024 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 1325873970 is about 36412.5523686544. The cubic root of 1325873970 is about 1098.5860538078.

The spelling of 1325873970 in words is "one billion, three hundred twenty-five million, eight hundred seventy-three thousand, nine hundred seventy".