2342521 has 4 divisors (see below), whose sum is σ = 2377552. Its totient is φ = 2307492.

The previous prime is 2342513. The next prime is 2342537. The reversal of 2342521 is 1252432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2342521 - 2³ = 2342513 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 3¹¹ + 4⁸ + 2¹¹ + 5³ + 2²¹ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2340521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17415 + ... + 17548.

It is an arithmetic number, because the mean of its divisors is an integer number (594388).

2^2342521 is an apocalyptic number.

It is an amenable number.

2342521 is a deficient number, since it is larger than the sum of its proper divisors (35031).

2342521 is an equidigital number, since it uses as much as digits as its factorization.

2342521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35030.

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

The square root of 2342521 is about 1530.5296468870. The cubic root of 2342521 is about 132.8090991794.

Adding to 2342521 its reverse (1252432), we get a palindrome (3594953).

The spelling of 2342521 in words is "two million, three hundred forty-two thousand, five hundred twenty-one".