425011523 has 4 divisors (see below), whose sum is σ = 426705048. Its totient is φ = 423318000.

The previous prime is 425011511. The next prime is 425011529. The reversal of 425011523 is 325110524.

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 425011523 - 2¹⁰ = 425010499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425011529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846386 + ... + 846887.

It is an arithmetic number, because the mean of its divisors is an integer number (106676262).

Almost surely, 2^425011523 is an apocalyptic number.

425011523 is a deficient number, since it is larger than the sum of its proper divisors (1693525).

425011523 is a wasteful number, since it uses less digits than its factorization.

425011523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693524.

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

The square root of 425011523 is about 20615.8075999947. The cubic root of 425011523 is about 751.8540929716.

Subtracting from 425011523 its reverse (325110524), we obtain a palindrome (99900999).

The spelling of 425011523 in words is "four hundred twenty-five million, eleven thousand, five hundred twenty-three".