2542555 has 8 divisors (see below), whose sum is σ = 3081312. Its totient is φ = 2013888.

The previous prime is 2542549. The next prime is 2542567. The reversal of 2542555 is 5552452.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2542555 is a prime.

It is a Duffinian number.

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, 1954 + ... + 2983.

It is an arithmetic number, because the mean of its divisors is an integer number (385164).

2^2542555 is an apocalyptic number.

2542555 is a deficient number, since it is larger than the sum of its proper divisors (538757).

2542555 is a wasteful number, since it uses less digits than its factorization.

2542555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045.

The product of its digits is 10000, while the sum is 28.

The square root of 2542555 is about 1594.5391183662. The cubic root of 2542555 is about 136.4866325292.

It can be divided in two parts, 254 and 2555, that added together give a square (2809 = 53²).

The spelling of 2542555 in words is "two million, five hundred forty-two thousand, five hundred fifty-five".