2542887 has 16 divisors (see below), whose sum is σ = 3840480. Its totient is φ = 1662336.

The previous prime is 2542879. The next prime is 2542913. The reversal of 2542887 is 7882452.

It is a happy number.

It is not a de Polignac number, because 2542887 - 2³ = 2542879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542817) 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, 543 + ... + 2319.

It is an arithmetic number, because the mean of its divisors is an integer number (240030).

2^2542887 is an apocalyptic number.

2542887 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2542887 is a deficient number, since it is larger than the sum of its proper divisors (1297593).

2542887 is a wasteful number, since it uses less digits than its factorization.

2542887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839 (or 1833 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 2542887 is about 1594.6432202847. The cubic root of 2542887 is about 136.4925729566.

The spelling of 2542887 in words is "two million, five hundred forty-two thousand, eight hundred eighty-seven".