2540202 has 32 divisors (see below), whose sum is σ = 5996544. Its totient is φ = 702000.

The previous prime is 2540201. The next prime is 2540203. The reversal of 2540202 is 2020452.

It is an interprime number because it is at equal distance from previous prime (2540201) and next prime (2540203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327 + ... + 2277.

It is an arithmetic number, because the mean of its divisors is an integer number (187392).

2^2540202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2540202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2998272).

2540202 is an abundant number, since it is smaller than the sum of its proper divisors (3456342).

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

2540202 is a wasteful number, since it uses less digits than its factorization.

2540202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 2540202 is about 1593.8011168273. The cubic root of 2540202 is about 136.4445158176. Note that the first 3 decimals are identical.

Adding to 2540202 its reverse (2020452), we get a palindrome (4560654).

The spelling of 2540202 in words is "two million, five hundred forty thousand, two hundred two".