425123155 has 16 divisors (see below), whose sum is σ = 536130144. Its totient is φ = 323205120.

The previous prime is 425123117. The next prime is 425123183. The reversal of 425123155 is 551321524.

It is not a de Polignac number, because 425123155 - 2²¹ = 423026003 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 18766 + ... + 34675.

It is an arithmetic number, because the mean of its divisors is an integer number (33508134).

Almost surely, 2^425123155 is an apocalyptic number.

425123155 is a deficient number, since it is larger than the sum of its proper divisors (111006989).

425123155 is a wasteful number, since it uses less digits than its factorization.

425123155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53526.

The product of its digits is 6000, while the sum is 28.

The square root of 425123155 is about 20618.5148592230. The cubic root of 425123155 is about 751.9199136410.

Adding to 425123155 its reverse (551321524), we get a palindrome (976444679).

The spelling of 425123155 in words is "four hundred twenty-five million, one hundred twenty-three thousand, one hundred fifty-five".