2502522 has 48 divisors (see below), whose sum is σ = 6128640. Its totient is φ = 756360.

The previous prime is 2502481. The next prime is 2502527. The reversal of 2502522 is 2252052.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2502495 and 2502504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2502527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6343 + ... + 6725.

It is an arithmetic number, because the mean of its divisors is an integer number (127680).

2^2502522 is an apocalyptic number.

2502522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2502522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3064320).

2502522 is an abundant number, since it is smaller than the sum of its proper divisors (3626118).

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

2502522 is a wasteful number, since it uses less digits than its factorization.

2502522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2502522 is about 1581.9361554753. The cubic root of 2502522 is about 135.7665038999.

Adding to 2502522 its reverse (2252052), we get a palindrome (4754574).

It can be divided in two parts, 250 and 2522, that added together give a palindrome (2772).

The spelling of 2502522 in words is "two million, five hundred two thousand, five hundred twenty-two".