2532421 has 8 divisors (see below), whose sum is σ = 2636288. Its totient is φ = 2430000.

The previous prime is 2532419. The next prime is 2532433. The reversal of 2532421 is 1242352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 4-Lehmer number, since φ(2532421) divides (2532421-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 2532421 - 2¹ = 2532419 is a prime.

It is a super-2 number, since 2×2532421² = 12826312242482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 4411 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (329536).

2^2532421 is an apocalyptic number.

It is an amenable number.

2532421 is a deficient number, since it is larger than the sum of its proper divisors (103867).

2532421 is a wasteful number, since it uses less digits than its factorization.

2532421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723.

The product of its digits is 480, while the sum is 19.

The square root of 2532421 is about 1591.3582249135. The cubic root of 2532421 is about 136.3050570073.

Adding to 2532421 its reverse (1242352), we get a palindrome (3774773).

The spelling of 2532421 in words is "two million, five hundred thirty-two thousand, four hundred twenty-one".