3520876825 has 6 divisors (see below), whose sum is σ = 4365887294. Its totient is φ = 2816701440.

The previous prime is 3520876759. The next prime is 3520876829. The reversal of 3520876825 is 5286780253.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 27594009 + 3493282816 = 5253^2 + 59104^2 .

It is not a de Polignac number, because 3520876825 - 2¹³ = 3520868633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3520876829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70417512 + ... + 70417561.

Almost surely, 2^3520876825 is an apocalyptic number.

It is an amenable number.

3520876825 is a deficient number, since it is larger than the sum of its proper divisors (845010469).

3520876825 is a wasteful number, since it uses less digits than its factorization.

3520876825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140835083 (or 140835078 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 3520876825 is about 59336.9768778289. The cubic root of 3520876825 is about 1521.3072815377.

The spelling of 3520876825 in words is "three billion, five hundred twenty million, eight hundred seventy-six thousand, eight hundred twenty-five".