4156013 has 4 divisors (see below), whose sum is σ = 4165920. Its totient is φ = 4146108.

The previous prime is 4156001. The next prime is 4156037. The reversal of 4156013 is 3106514.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4156013 - 2⁴ = 4155997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4156043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4295 + ... + 5172.

It is an arithmetic number, because the mean of its divisors is an integer number (1041480).

Almost surely, 2^4156013 is an apocalyptic number.

It is an amenable number.

4156013 is a deficient number, since it is larger than the sum of its proper divisors (9907).

4156013 is an equidigital number, since it uses as much as digits as its factorization.

4156013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9906.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 4156013 is about 2038.6301773495. The cubic root of 4156013 is about 160.7776336844. Note that the first 3 decimals are identical.

It can be divided in two parts, 41560 and 13, that multiplied together give a triangular number (540280 = T₁₀₃₉).

The spelling of 4156013 in words is "four million, one hundred fifty-six thousand, thirteen".