4138527 has 4 divisors (see below), whose sum is σ = 5518040. Its totient is φ = 2759016.

The previous prime is 4138513. The next prime is 4138529. The reversal of 4138527 is 7258314.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4138527 - 2¹⁹ = 3614239 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4138494 and 4138503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138529) 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, 689752 + ... + 689757.

It is an arithmetic number, because the mean of its divisors is an integer number (1379510).

Almost surely, 2^4138527 is an apocalyptic number.

4138527 is a deficient number, since it is larger than the sum of its proper divisors (1379513).

4138527 is a wasteful number, since it uses less digits than its factorization.

4138527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379512.

The product of its digits is 6720, while the sum is 30.

The square root of 4138527 is about 2034.3369927325. The cubic root of 4138527 is about 160.5518315532.

The spelling of 4138527 in words is "four million, one hundred thirty-eight thousand, five hundred twenty-seven".