2154014125 has 16 divisors (see below), whose sum is σ = 2689867440. Its totient is φ = 1722148800.

The previous prime is 2154014099. The next prime is 2154014131. The reversal of 2154014125 is 5214104512.

It can be written as a sum of positive squares in 8 ways, for example, as 1057940676 + 1096073449 = 32526^2 + 33107^2 .

It is not a de Polignac number, because 2154014125 - 2⁹ = 2154013613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 2154014125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245311 + ... + 253939.

It is an arithmetic number, because the mean of its divisors is an integer number (168116715).

Almost surely, 2^2154014125 is an apocalyptic number.

2154014125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2154014125 is a deficient number, since it is larger than the sum of its proper divisors (535853315).

2154014125 is an equidigital number, since it uses as much as digits as its factorization.

2154014125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10641 (or 10631 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2154014125 is about 46411.3577155420. The cubic root of 2154014125 is about 1291.4656188415.

Adding to 2154014125 its reverse (5214104512), we get a palindrome (7368118637).

The spelling of 2154014125 in words is "two billion, one hundred fifty-four million, fourteen thousand, one hundred twenty-five".