542515453 has 4 divisors (see below), whose sum is σ = 542572828. Its totient is φ = 542458080.

The previous prime is 542515429. The next prime is 542515483. The reversal of 542515453 is 354515245.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 392158809 + 150356644 = 19803^2 + 12262^2 .

It is a cyclic number.

It is not a de Polignac number, because 542515453 - 2¹³ = 542507261 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 (542515483) 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 3 ways as a sum of consecutive naturals, for example, 10776 + ... + 34657.

It is an arithmetic number, because the mean of its divisors is an integer number (135643207).

Almost surely, 2^542515453 is an apocalyptic number.

It is an amenable number.

542515453 is a deficient number, since it is larger than the sum of its proper divisors (57375).

542515453 is a wasteful number, since it uses less digits than its factorization.

542515453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57374.

The product of its digits is 60000, while the sum is 34.

The square root of 542515453 is about 23291.9611239586. The cubic root of 542515453 is about 815.5877692630.

The spelling of 542515453 in words is "five hundred forty-two million, five hundred fifteen thousand, four hundred fifty-three".