2500642 has 8 divisors (see below), whose sum is σ = 3762000. Its totient is φ = 1246644.

The previous prime is 2500639. The next prime is 2500651. The reversal of 2500642 is 2460052.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 892 + ... + 2407.

It is an arithmetic number, because the mean of its divisors is an integer number (470250).

2^2500642 is an apocalyptic number.

2500642 is a deficient number, since it is larger than the sum of its proper divisors (1261358).

2500642 is a wasteful number, since it uses less digits than its factorization.

2500642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680.

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

The square root of 2500642 is about 1581.3418352779. The cubic root of 2500642 is about 135.7324975428.

Adding to 2500642 its reverse (2460052), we get a palindrome (4960694).

The spelling of 2500642 in words is "two million, five hundred thousand, six hundred forty-two".