2642155 has 8 divisors (see below), whose sum is σ = 3211200. Its totient is φ = 2086656.

The previous prime is 2642149. The next prime is 2642173. The reversal of 2642155 is 5512462.

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

It is a cyclic number.

It is not a de Polignac number, because 2642155 - 2³ = 2642147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2950 + ... + 3739.

It is an arithmetic number, because the mean of its divisors is an integer number (401400).

2^2642155 is an apocalyptic number.

2642155 is a deficient number, since it is larger than the sum of its proper divisors (569045).

2642155 is an equidigital number, since it uses as much as digits as its factorization.

2642155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6773.

The product of its digits is 2400, while the sum is 25.

The square root of 2642155 is about 1625.4707010586. The cubic root of 2642155 is about 138.2460603372.

The spelling of 2642155 in words is "two million, six hundred forty-two thousand, one hundred fifty-five".