2521342 has 8 divisors (see below), whose sum is σ = 3798432. Its totient is φ = 1255200.

The previous prime is 2521339. The next prime is 2521361. The reversal of 2521342 is 2431252.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2134 + ... + 3097.

It is an arithmetic number, because the mean of its divisors is an integer number (474804).

2^2521342 is an apocalyptic number.

2521342 is a deficient number, since it is larger than the sum of its proper divisors (1277090).

2521342 is a wasteful number, since it uses less digits than its factorization.

2521342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5474.

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

The square root of 2521342 is about 1587.8734206479. The cubic root of 2521342 is about 136.1059943593.

Adding to 2521342 its reverse (2431252), we get a palindrome (4952594).

The spelling of 2521342 in words is "two million, five hundred twenty-one thousand, three hundred forty-two".