2154386325 has 96 divisors (see below), whose sum is σ = 4399718400. Its totient is φ = 905829120.

The previous prime is 2154386317. The next prime is 2154386341. The reversal of 2154386325 is 5236834512.

It is a happy number.

It is not a de Polignac number, because 2154386325 - 2³ = 2154386317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

Together with 2245332075 it forms an amicable pair .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3268846 + ... + 3269504.

It is an arithmetic number, because the mean of its divisors is an integer number (45830400).

Almost surely, 2^2154386325 is an apocalyptic number.

2154386325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2154386325 is an abundant number, since it is smaller than the sum of its proper divisors (2245332075).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154386325 is a wasteful number, since it uses less digits than its factorization.

2154386325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1166 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 2154386325 is about 46415.3673366914. The cubic root of 2154386325 is about 1291.5400002509.

The spelling of 2154386325 in words is "two billion, one hundred fifty-four million, three hundred eighty-six thousand, three hundred twenty-five".