425220255 has 24 divisors (see below), whose sum is σ = 747150768. Its totient is φ = 223675776.

The previous prime is 425220221. The next prime is 425220281. The reversal of 425220255 is 552022524.

It is not a de Polignac number, because 425220255 - 2¹⁰ = 425219231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61437 + ... + 68006.

It is an arithmetic number, because the mean of its divisors is an integer number (31131282).

Almost surely, 2^425220255 is an apocalyptic number.

425220255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

425220255 is a deficient number, since it is larger than the sum of its proper divisors (321930513).

425220255 is a wasteful number, since it uses less digits than its factorization.

425220255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129527 (or 129524 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 425220255 is about 20620.8694045620. The cubic root of 425220255 is about 751.9771565558.

Adding to 425220255 its reverse (552022524), we get a palindrome (977242779).

The spelling of 425220255 in words is "four hundred twenty-five million, two hundred twenty thousand, two hundred fifty-five".