425242523 has 8 divisors (see below), whose sum is σ = 436009200. Its totient is φ = 414515808.

The previous prime is 425242487. The next prime is 425242537. The reversal of 425242523 is 325242524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425242523 - 2⁶ = 425242459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425242583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12173 + ... + 31601.

It is an arithmetic number, because the mean of its divisors is an integer number (54501150).

Almost surely, 2^425242523 is an apocalyptic number.

425242523 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

425242523 is a deficient number, since it is larger than the sum of its proper divisors (10766677).

425242523 is a wasteful number, since it uses less digits than its factorization.

425242523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19981.

The product of its digits is 19200, while the sum is 29.

The square root of 425242523 is about 20621.4093359305. The cubic root of 425242523 is about 751.9902828786.

Subtracting from 425242523 its reverse (325242524), we obtain a palindrome (99999999).

The spelling of 425242523 in words is "four hundred twenty-five million, two hundred forty-two thousand, five hundred twenty-three".