4125523 has 4 divisors (see below), whose sum is σ = 4129840. Its totient is φ = 4121208.

The previous prime is 4125521. The next prime is 4125551. The reversal of 4125523 is 3255214.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3255214 = 2 ⋅1627607.

It is a cyclic number.

It is not a de Polignac number, because 4125523 - 2¹ = 4125521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4125494 and 4125503.

It is not an unprimeable number, because it can be changed into a prime (4125521) 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, 15 + ... + 2872.

It is an arithmetic number, because the mean of its divisors is an integer number (1032460).

Almost surely, 2^4125523 is an apocalyptic number.

4125523 is a deficient number, since it is larger than the sum of its proper divisors (4317).

4125523 is a wasteful number, since it uses less digits than its factorization.

4125523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316.

The product of its digits is 1200, while the sum is 22.

The square root of 4125523 is about 2031.1383507777. The cubic root of 4125523 is about 160.3834941546.

The spelling of 4125523 in words is "four million, one hundred twenty-five thousand, five hundred twenty-three".