3951285285 has 16 divisors (see below), whose sum is σ = 6323993856. Its totient is φ = 2106706368.

The previous prime is 3951285271. The next prime is 3951285311. The reversal of 3951285285 is 5825821593.

It is a happy number.

3951285285 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3951285285 - 2⁷ = 3951285157 is a prime.

It is a super-2 number, since 2×3951285285² = 31225310806915062450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12447 + ... + 89763.

It is an arithmetic number, because the mean of its divisors is an integer number (395249616).

Almost surely, 2^3951285285 is an apocalyptic number.

It is an amenable number.

3951285285 is a deficient number, since it is larger than the sum of its proper divisors (2372708571).

3951285285 is a wasteful number, since it uses less digits than its factorization.

3951285285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80732.

The product of its digits is 864000, while the sum is 48.

The square root of 3951285285 is about 62859.2497966687. The cubic root of 3951285285 is about 1580.9305639580.

The spelling of 3951285285 in words is "three billion, nine hundred fifty-one million, two hundred eighty-five thousand, two hundred eighty-five".