2154325 has 24 divisors (see below), whose sum is σ = 2926152. Its totient is φ = 1566720.

The previous prime is 2154319. The next prime is 2154329. The reversal of 2154325 is 5234512.

2154325 = 51² + 52² + ... + 187².

It can be written as a sum of positive squares in 12 ways, for example, as 28561 + 2125764 = 169^2 + 1458^2 .

It is not a de Polignac number, because 2154325 - 2⁵ = 2154293 is a prime.

It is a super-2 number, since 2×2154325² = 9282232411250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2154296 and 2154305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15657 + ... + 15793.

It is an arithmetic number, because the mean of its divisors is an integer number (121923).

2^2154325 is an apocalyptic number.

2154325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2154325 is a deficient number, since it is larger than the sum of its proper divisors (771827).

2154325 is a wasteful number, since it uses less digits than its factorization.

2154325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 196 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 2154325 is about 1467.7619016721. The cubic root of 2154325 is about 129.1527745494.

Adding to 2154325 its reverse (5234512), we get a palindrome (7388837).

The spelling of 2154325 in words is "two million, one hundred fifty-four thousand, three hundred twenty-five".