3246520725 has 288 divisors, whose sum is σ = 7428096000. Its totient is φ = 1350518400.

The previous prime is 3246520703. The next prime is 3246520733. The reversal of 3246520725 is 5270256423.

It is not a de Polignac number, because 3246520725 - 2¹¹ = 3246518677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3246520725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 55025746 + ... + 55025804.

It is an arithmetic number, because the mean of its divisors is an integer number (25792000).

Almost surely, 2^3246520725 is an apocalyptic number.

3246520725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3246520725 is an abundant number, since it is smaller than the sum of its proper divisors (4181575275).

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

3246520725 is a wasteful number, since it uses less digits than its factorization.

3246520725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 3246520725 is about 56978.2478231825. The cubic root of 3246520725 is about 1480.7192640058.

The spelling of 3246520725 in words is "three billion, two hundred forty-six million, five hundred twenty thousand, seven hundred twenty-five".