542758515 has 16 divisors (see below), whose sum is σ = 935215008. Its totient is φ = 267204096.

The previous prime is 542758499. The next prime is 542758537. The reversal of 542758515 is 515857245.

542758515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 542758515 - 2⁴ = 542758499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1391494 + ... + 1391883.

It is an arithmetic number, because the mean of its divisors is an integer number (58450938).

Almost surely, 2^542758515 is an apocalyptic number.

542758515 is a deficient number, since it is larger than the sum of its proper divisors (392456493).

542758515 is a wasteful number, since it uses less digits than its factorization.

542758515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783398.

The product of its digits is 280000, while the sum is 42.

The square root of 542758515 is about 23297.1782626137. The cubic root of 542758515 is about 815.7095530729.

The spelling of 542758515 in words is "five hundred forty-two million, seven hundred fifty-eight thousand, five hundred fifteen".