542393803 has 16 divisors (see below), whose sum is σ = 625190400. Its totient is φ = 460944000.

The previous prime is 542393801. The next prime is 542393809. The reversal of 542393803 is 308393245.

It is a cyclic number.

It is not a de Polignac number, because 542393803 - 2¹ = 542393801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542393801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558108 + ... + 559078.

It is an arithmetic number, because the mean of its divisors is an integer number (39074400).

Almost surely, 2^542393803 is an apocalyptic number.

542393803 is a deficient number, since it is larger than the sum of its proper divisors (82796597).

542393803 is a wasteful number, since it uses less digits than its factorization.

542393803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 542393803 is about 23289.3495615485. The cubic root of 542393803 is about 815.5268040755.

The spelling of 542393803 in words is "five hundred forty-two million, three hundred ninety-three thousand, eight hundred three".