2508542 has 8 divisors (see below), whose sum is σ = 3771336. Its totient is φ = 1251432.

The previous prime is 2508521. The next prime is 2508557. The reversal of 2508542 is 2458052.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53 + ... + 2240.

It is an arithmetic number, because the mean of its divisors is an integer number (471417).

2^2508542 is an apocalyptic number.

2508542 is a deficient number, since it is larger than the sum of its proper divisors (1262794).

2508542 is a wasteful number, since it uses less digits than its factorization.

2508542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2508542 is about 1583.8377442150. The cubic root of 2508542 is about 135.8752821454.

The spelling of 2508542 in words is "two million, five hundred eight thousand, five hundred forty-two".