2501424 has 60 divisors (see below), whose sum is σ = 7254000. Its totient is φ = 803712.

The previous prime is 2501417. The next prime is 2501449. The reversal of 2501424 is 4241052.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2501397 and 2501406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3877 + ... + 4475.

It is an arithmetic number, because the mean of its divisors is an integer number (120900).

2^2501424 is an apocalyptic number.

2501424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2501424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3627000).

2501424 is an abundant number, since it is smaller than the sum of its proper divisors (4752576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2501424 is a wasteful number, since it uses less digits than its factorization.

2501424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2501424 is about 1581.5890743173. The cubic root of 2501424 is about 135.7466448099.

Adding to 2501424 its reverse (4241052), we get a palindrome (6742476).

The spelling of 2501424 in words is "two million, five hundred one thousand, four hundred twenty-four".