5126405 has 4 divisors (see below), whose sum is σ = 6151692. Its totient is φ = 4101120.

The previous prime is 5126393. The next prime is 5126411. The reversal of 5126405 is 5046215.

5126405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5046215 = 5 ⋅1009243.

It can be written as a sum of positive squares in 2 ways, for example, as 3389281 + 1737124 = 1841^2 + 1318^2 .

It is not a de Polignac number, because 5126405 - 2²² = 932101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512636 + ... + 512645.

It is an arithmetic number, because the mean of its divisors is an integer number (1537923).

Almost surely, 2^5126405 is an apocalyptic number.

It is an amenable number.

5126405 is a deficient number, since it is larger than the sum of its proper divisors (1025287).

5126405 is a wasteful number, since it uses less digits than its factorization.

5126405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025286.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5126405 is about 2264.1565758578. The cubic root of 5126405 is about 172.4266158486.

It can be divided in two parts, 5 and 126405, that multiplied together give a square (632025 = 795²).

The spelling of 5126405 in words is "five million, one hundred twenty-six thousand, four hundred five".