2502421 has 8 divisors (see below), whose sum is σ = 2626560. Its totient is φ = 2381328.

The previous prime is 2502407. The next prime is 2502443. The reversal of 2502421 is 1242052.

2502421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2502421 - 2⁵ = 2502389 is a prime.

It is a super-2 number, since 2×2502421² = 12524221722482, 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 = 2502395 and 2502404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1020 + ... + 2458.

It is an arithmetic number, because the mean of its divisors is an integer number (328320).

2^2502421 is an apocalyptic number.

It is an amenable number.

2502421 is a deficient number, since it is larger than the sum of its proper divisors (124139).

2502421 is a wasteful number, since it uses less digits than its factorization.

2502421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 2502421 is about 1581.9042322467. The cubic root of 2502421 is about 135.7646773956.

Adding to 2502421 its reverse (1242052), we get a palindrome (3744473).

The spelling of 2502421 in words is "two million, five hundred two thousand, four hundred twenty-one".