1325051910 has 384 divisors, whose sum is σ = 4649508864. Its totient is φ = 253808640.

The previous prime is 1325051909. The next prime is 1325051929. The reversal of 1325051910 is 191505231.

1325051910 is a `hidden beast` number, since 132 + 5 + 0 + 519 + 10 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 4315977 + ... + 4316283.

It is an arithmetic number, because the mean of its divisors is an integer number (12108096).

Almost surely, 2^1325051910 is an apocalyptic number.

1325051910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1325051910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2324754432).

1325051910 is an abundant number, since it is smaller than the sum of its proper divisors (3324456954).

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

1325051910 is a wasteful number, since it uses less digits than its factorization.

1325051910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 1325051910 is about 36401.2624781064. The cubic root of 1325051910 is about 1098.3589607402.

The spelling of 1325051910 in words is "one billion, three hundred twenty-five million, fifty-one thousand, nine hundred ten".