425355553523 has 8 divisors (see below), whose sum is σ = 427482460416. Its totient is φ = 423231638400.

The previous prime is 425355553481. The next prime is 425355553547. The reversal of 425355553523 is 325355553524.

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 425355553523 - 2⁸ = 425355553267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425355553223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462611 + ... + 1031852.

It is an arithmetic number, because the mean of its divisors is an integer number (53435307552).

Almost surely, 2^425355553523 is an apocalyptic number.

425355553523 is a deficient number, since it is larger than the sum of its proper divisors (2126906893).

425355553523 is a wasteful number, since it uses less digits than its factorization.

425355553523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495885.

The product of its digits is 6750000, while the sum is 47.

Subtracting from 425355553523 its reverse (325355553524), we obtain a palindrome (99999999999).

The spelling of 425355553523 in words is "four hundred twenty-five billion, three hundred fifty-five million, five hundred fifty-three thousand, five hundred twenty-three".