2509042 has 8 divisors (see below), whose sum is σ = 3801132. Its totient is φ = 1242000.

The previous prime is 2509037. The next prime is 2509061. The reversal of 2509042 is 2409052.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1718721 + 790321 = 1311^2 + 889^2 .

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

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, 6009 + ... + 6412.

2^2509042 is an apocalyptic number.

2509042 is a deficient number, since it is larger than the sum of its proper divisors (1292090).

2509042 is a wasteful number, since it uses less digits than its factorization.

2509042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12524.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2509042 is about 1583.9955808019. The cubic root of 2509042 is about 135.8843090527.

The spelling of 2509042 in words is "two million, five hundred nine thousand, forty-two".