3941579525 has 24 divisors (see below), whose sum is σ = 5362859880. Its totient is φ = 2855773440.

The previous prime is 3941579519. The next prime is 3941579611. The reversal of 3941579525 is 5259751493.

It is a Cunningham number, because it is equal to 62782²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 2187058756 + 1754520769 = 46766^2 + 41887^2 .

It is not a de Polignac number, because 3941579525 - 2²⁴ = 3924802309 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97190 + ... + 131639.

It is an arithmetic number, because the mean of its divisors is an integer number (223452495).

Almost surely, 2^3941579525 is an apocalyptic number.

It is an amenable number.

3941579525 is a deficient number, since it is larger than the sum of its proper divisors (1421280355).

3941579525 is a wasteful number, since it uses less digits than its factorization.

3941579525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228905 (or 228900 counting only the distinct ones).

The product of its digits is 1701000, while the sum is 50.

The square root of 3941579525 is about 62782.0000079641. Note that the first 5 decimals coincide. The cubic root of 3941579525 is about 1579.6350603230.

The spelling of 3941579525 in words is "three billion, nine hundred forty-one million, five hundred seventy-nine thousand, five hundred twenty-five".