2642500 has 60 divisors (see below), whose sum is σ = 6647872. Its totient is φ = 900000.

The previous prime is 2642483. The next prime is 2642513. The reversal of 2642500 is 52462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17425 + ... + 17575.

2^2642500 is an apocalyptic number.

2642500 is a gapful number since it is divisible by the number (20) 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 2642500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3323936).

2642500 is an abundant number, since it is smaller than the sum of its proper divisors (4005372).

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

2642500 is a wasteful number, since it uses less digits than its factorization.

2642500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2642500 is about 1625.5768207009. The cubic root of 2642500 is about 138.2520772458.

Adding to 2642500 its reverse (52462), we get a palindrome (2694962).

The spelling of 2642500 in words is "two million, six hundred forty-two thousand, five hundred".