542620803 has 8 divisors (see below), whose sum is σ = 735355216. Its totient is φ = 355816800.

The previous prime is 542620801. The next prime is 542620847. The reversal of 542620803 is 308026245.

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

It is not a de Polignac number, because 542620803 - 2¹ = 542620801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542620801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1482388 + ... + 1482753.

It is an arithmetic number, because the mean of its divisors is an integer number (91919402).

Almost surely, 2^542620803 is an apocalyptic number.

542620803 is a deficient number, since it is larger than the sum of its proper divisors (192734413).

542620803 is a wasteful number, since it uses less digits than its factorization.

542620803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965205.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 542620803 is about 23294.2225240509. Note that the first 3 decimals coincide. The cubic root of 542620803 is about 815.6405583034.

The spelling of 542620803 in words is "five hundred forty-two million, six hundred twenty thousand, eight hundred three".