3951013 has 6 divisors (see below), whose sum is σ = 4342982. Its totient is φ = 3591720.

The previous prime is 3951001. The next prime is 3951023. The reversal of 3951013 is 3101593.

3951013 is digitally balanced in base 2, 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 only one way, i.e., 3214849 + 736164 = 1793^2 + 858^2 .

It is not a de Polignac number, because 3951013 - 2⁹ = 3950501 is a prime.

It is a super-2 number, since 2×3951013² = 31221007452338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3951023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16206 + ... + 16447.

Almost surely, 2^3951013 is an apocalyptic number.

It is an amenable number.

3951013 is a deficient number, since it is larger than the sum of its proper divisors (391969).

3951013 is a wasteful number, since it uses less digits than its factorization.

3951013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32675 (or 32664 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 3951013 is about 1987.7155229056. The cubic root of 3951013 is about 158.0894248891.

The spelling of 3951013 in words is "three million, nine hundred fifty-one thousand, thirteen".