3509410725 has 96 divisors (see below), whose sum is σ = 7123472640. Its totient is φ = 1684869120.

The previous prime is 3509410661. The next prime is 3509410733. The reversal of 3509410725 is 5270149053.

It is not a de Polignac number, because 3509410725 - 2⁶ = 3509410661 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3509410725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 257277 + ... + 270573.

It is an arithmetic number, because the mean of its divisors is an integer number (74202840).

Almost surely, 2^3509410725 is an apocalyptic number.

It is an amenable number.

3509410725 is an abundant number, since it is smaller than the sum of its proper divisors (3614061915).

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

3509410725 is a wasteful number, since it uses less digits than its factorization.

3509410725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13356 (or 13345 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 3509410725 is about 59240.2795823922. The cubic root of 3509410725 is about 1519.6540540320.

Adding to 3509410725 its reverse (5270149053), we get a palindrome (8779559778).

The spelling of 3509410725 in words is "three billion, five hundred nine million, four hundred ten thousand, seven hundred twenty-five".