1425523 has 4 divisors (see below), whose sum is σ = 1555128. Its totient is φ = 1295920.

The previous prime is 1425521. The next prime is 1425527. The reversal of 1425523 is 3255241.

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

It is a cyclic number.

It is not a de Polignac number, because 1425523 - 2¹ = 1425521 is a prime.

It is a Duffinian number.

1425523 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1425494 and 1425503.

It is not an unprimeable number, because it can be changed into a prime (1425521) 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, 64786 + ... + 64807.

It is an arithmetic number, because the mean of its divisors is an integer number (388782).

2^1425523 is an apocalyptic number.

1425523 is a deficient number, since it is larger than the sum of its proper divisors (129605).

1425523 is a wasteful number, since it uses less digits than its factorization.

1425523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129604.

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

The square root of 1425523 is about 1193.9526791293. The cubic root of 1425523 is about 112.5446209827.

It can be divided in two parts, 142 and 5523, that added together give a palindrome (5665).

The spelling of 1425523 in words is "one million, four hundred twenty-five thousand, five hundred twenty-three".