425252523 has 8 divisors (see below), whose sum is σ = 569972736. Its totient is φ = 282017000.

The previous prime is 425252519. The next prime is 425252539. The reversal of 425252523 is 325252524.

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 425252523 - 2² = 425252519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425252573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370503 + ... + 371648.

It is an arithmetic number, because the mean of its divisors is an integer number (71246592).

Almost surely, 2^425252523 is an apocalyptic number.

425252523 is a deficient number, since it is larger than the sum of its proper divisors (144720213).

425252523 is a wasteful number, since it uses less digits than its factorization.

425252523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742345.

The product of its digits is 24000, while the sum is 30.

The square root of 425252523 is about 20621.6518009591. The cubic root of 425252523 is about 751.9961774317.

Subtracting from 425252523 its reverse (325252524), we obtain a palindrome (99999999).

The spelling of 425252523 in words is "four hundred twenty-five million, two hundred fifty-two thousand, five hundred twenty-three".