2542906 has 8 divisors (see below), whose sum is σ = 3821184. Its totient is φ = 1269180.

The previous prime is 2542879. The next prime is 2542913. The reversal of 2542906 is 6092452.

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

It is a zygodrome in base 5.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341 + ... + 2623.

It is an arithmetic number, because the mean of its divisors is an integer number (477648).

2^2542906 is an apocalyptic number.

2542906 is a deficient number, since it is larger than the sum of its proper divisors (1278278).

2542906 is a wasteful number, since it uses less digits than its factorization.

2542906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2542906 is about 1594.6491777190. The cubic root of 2542906 is about 136.4929129052.

It can be divided in two parts, 254 and 2906, that added together give a triangular number (3160 = T₇₉).

The spelling of 2542906 in words is "two million, five hundred forty-two thousand, nine hundred six".