2154634125 has 48 divisors (see below), whose sum is σ = 4170703680. Its totient is φ = 984967200.

The previous prime is 2154634123. The next prime is 2154634147. The reversal of 2154634125 is 5214364512.

It is not a de Polignac number, because 2154634125 - 2¹ = 2154634123 is a prime.

It is a super-3 number, since 3×2154634125³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154634123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40255 + ... + 77004.

It is an arithmetic number, because the mean of its divisors is an integer number (86889660).

Almost surely, 2^2154634125 is an apocalyptic number.

2154634125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2154634125 is a deficient number, since it is larger than the sum of its proper divisors (2016069555).

2154634125 is a wasteful number, since it uses less digits than its factorization.

2154634125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117291 (or 117274 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 2154634125 is about 46418.0366344808. The cubic root of 2154634125 is about 1291.5895164927.

Adding to 2154634125 its reverse (5214364512), we get a palindrome (7368998637).

The spelling of 2154634125 in words is "two billion, one hundred fifty-four million, six hundred thirty-four thousand, one hundred twenty-five".