2532409 has 6 divisors (see below), whose sum is σ = 2783690. Its totient is φ = 2302080.

The previous prime is 2532403. The next prime is 2532419. The reversal of 2532409 is 9042352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2205225 + 327184 = 1485^2 + 572^2 .

It is not a de Polignac number, because 2532409 - 2³ = 2532401 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 5⁹ + 3¹¹ + 2¹⁷ + 4⁹ + 0 + 9³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2532401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10344 + ... + 10585.

2^2532409 is an apocalyptic number.

It is an amenable number.

2532409 is a deficient number, since it is larger than the sum of its proper divisors (251281).

2532409 is a wasteful number, since it uses less digits than its factorization.

2532409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20951 (or 20940 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2532409 is about 1591.3544545449. The cubic root of 2532409 is about 136.3048417109.

It can be divided in two parts, 253 and 2409, that added together give a palindrome (2662).

The spelling of 2532409 in words is "two million, five hundred thirty-two thousand, four hundred nine".