1325238530 has 128 divisors (see below), whose sum is σ = 3125329920. Its totient is φ = 392544000.

The previous prime is 1325238521. The next prime is 1325238533. The reversal of 1325238530 is 358325231.

It is a super-2 number, since 2×1325238530² = 3512514322793121800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1325238533) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1407860 + ... + 1408800.

It is an arithmetic number, because the mean of its divisors is an integer number (24416640).

Almost surely, 2^1325238530 is an apocalyptic number.

1325238530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1325238530 is an abundant number, since it is smaller than the sum of its proper divisors (1800091390).

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

1325238530 is a wasteful number, since it uses less digits than its factorization.

1325238530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1325238530 is about 36403.8257604884. The cubic root of 1325238530 is about 1098.4105225257.

The spelling of 1325238530 in words is "one billion, three hundred twenty-five million, two hundred thirty-eight thousand, five hundred thirty".