2542031515 has 8 divisors (see below), whose sum is σ = 3053685168. Its totient is φ = 2031460320.

The previous prime is 2542031501. The next prime is 2542031521. The reversal of 2542031515 is 5151302452.

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

It is not a de Polignac number, because 2542031515 - 2²³ = 2533642907 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265437 + ... + 274846.

It is an arithmetic number, because the mean of its divisors is an integer number (381710646).

Almost surely, 2^2542031515 is an apocalyptic number.

2542031515 is a deficient number, since it is larger than the sum of its proper divisors (511653653).

2542031515 is an equidigital number, since it uses as much as digits as its factorization.

2542031515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541229.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2542031515 is about 50418.5631984887. The cubic root of 2542031515 is about 1364.7726483823.

Adding to 2542031515 its reverse (5151302452), we get a palindrome (7693333967).

The spelling of 2542031515 in words is "two billion, five hundred forty-two million, thirty-one thousand, five hundred fifteen".