2537421 has 8 divisors (see below), whose sum is σ = 3404640. Its totient is φ = 1680912.

The previous prime is 2537419. The next prime is 2537459. The reversal of 2537421 is 1247352.

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

It is not a de Polignac number, because 2537421 - 2¹ = 2537419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2537391 and 2537400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2537461) 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, 2106 + ... + 3083.

It is an arithmetic number, because the mean of its divisors is an integer number (425580).

2^2537421 is an apocalyptic number.

It is an amenable number.

2537421 is a deficient number, since it is larger than the sum of its proper divisors (867219).

2537421 is a wasteful number, since it uses less digits than its factorization.

2537421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5355.

The product of its digits is 1680, while the sum is 24.

The square root of 2537421 is about 1592.9284353040. The cubic root of 2537421 is about 136.3947047190.

The spelling of 2537421 in words is "two million, five hundred thirty-seven thousand, four hundred twenty-one".