1325643030 has 64 divisors (see below), whose sum is σ = 3630617280. Its totient is φ = 343948032.

The previous prime is 1325642971. The next prime is 1325643089. The reversal of 1325643030 is 303465231.

It is a happy number.

1325643030 is a `hidden beast` number, since 13 + 2 + 5 + 643 + 0 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1325642971) and next prime (1325643089).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1325642985 and 1325643003.

It is a congruent number.

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, 56359 + ... + 76338.

It is an arithmetic number, because the mean of its divisors is an integer number (56728395).

Almost surely, 2^1325643030 is an apocalyptic number.

1325643030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1325643030 is an abundant number, since it is smaller than the sum of its proper divisors (2304974250).

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

1325643030 is a wasteful number, since it uses less digits than its factorization.

1325643030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132750 (or 132744 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 1325643030 is about 36409.3810713668. The cubic root of 1325643030 is about 1098.5222663989.

The spelling of 1325643030 in words is "one billion, three hundred twenty-five million, six hundred forty-three thousand, thirty".