2155334425 has 12 divisors (see below), whose sum is σ = 2687386156. Its totient is φ = 1714737600.

The previous prime is 2155334383. The next prime is 2155334437. The reversal of 2155334425 is 5244335512.

It can be written as a sum of positive squares in 6 ways, for example, as 259951129 + 1895383296 = 16123^2 + 43536^2 .

It is not a de Polignac number, because 2155334425 - 2⁷ = 2155334297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 233634 + ... + 242683.

Almost surely, 2^2155334425 is an apocalyptic number.

2155334425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2155334425 is a deficient number, since it is larger than the sum of its proper divisors (532051731).

2155334425 is a wasteful number, since it uses less digits than its factorization.

2155334425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476508 (or 476503 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The square root of 2155334425 is about 46425.5794255710. The cubic root of 2155334425 is about 1291.7294323067.

Adding to 2155334425 its reverse (5244335512), we get a palindrome (7399669937).

The spelling of 2155334425 in words is "two billion, one hundred fifty-five million, three hundred thirty-four thousand, four hundred twenty-five".