3952561285 has 16 divisors (see below), whose sum is σ = 5024372976. Its totient is φ = 2974686208.

The previous prime is 3952561273. The next prime is 3952561309. The reversal of 3952561285 is 5821652593.

3952561285 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 766071684 + 3186489601 = 27678^2 + 56449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3952561285 is a prime.

It is a super-3 number, since 3×3952561285³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 201159 + ... + 219931.

It is an arithmetic number, because the mean of its divisors is an integer number (314023311).

Almost surely, 2^3952561285 is an apocalyptic number.

It is an amenable number.

3952561285 is a deficient number, since it is larger than the sum of its proper divisors (1071811691).

3952561285 is a wasteful number, since it uses less digits than its factorization.

3952561285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21272.

The product of its digits is 648000, while the sum is 46.

The square root of 3952561285 is about 62869.3986371748. The cubic root of 3952561285 is about 1581.1007238044.

The spelling of 3952561285 in words is "three billion, nine hundred fifty-two million, five hundred sixty-one thousand, two hundred eighty-five".