2542517 has 8 divisors (see below), whose sum is σ = 2668440. Its totient is φ = 2419200.

The previous prime is 2542513. The next prime is 2542531. The reversal of 2542517 is 7152452.

It can be written as a sum of positive squares in 4 ways, for example, as 11236 + 2531281 = 106^2 + 1591^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2542517 - 2² = 2542513 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1517 + ... + 2717.

It is an arithmetic number, because the mean of its divisors is an integer number (333555).

2^2542517 is an apocalyptic number.

It is an amenable number.

2542517 is a deficient number, since it is larger than the sum of its proper divisors (125923).

2542517 is a wasteful number, since it uses less digits than its factorization.

2542517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303.

The product of its digits is 2800, while the sum is 26.

The square root of 2542517 is about 1594.5272026529. The cubic root of 2542517 is about 136.4859525678.

Adding to 2542517 its reverse (7152452), we get a palindrome (9694969).

The spelling of 2542517 in words is "two million, five hundred forty-two thousand, five hundred seventeen".