2522502 has 40 divisors (see below), whose sum is σ = 5906736. Its totient is φ = 803088.

The previous prime is 2522491. The next prime is 2522503. The reversal of 2522502 is 2052252.

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

It is a d-powerful number, because it can be written as 2¹⁴ + 5³ + 2¹⁷ + 2¹⁸ + 5⁶ + 0 + 2²¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3388 + ... + 4064.

2^2522502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2522502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2953368).

2522502 is an abundant number, since it is smaller than the sum of its proper divisors (3384234).

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

2522502 is a wasteful number, since it uses less digits than its factorization.

2522502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 705 counting only the distinct ones).

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

The square root of 2522502 is about 1588.2386470553. The cubic root of 2522502 is about 136.1268640320.

Adding to 2522502 its reverse (2052252), we get a palindrome (4574754).

It can be divided in two parts, 252250 and 2, that added together give a palindrome (252252).

The spelling of 2522502 in words is "two million, five hundred twenty-two thousand, five hundred two".