542087803 has 4 divisors (see below), whose sum is σ = 570618760. Its totient is φ = 513556848.

The previous prime is 542087783. The next prime is 542087813. The reversal of 542087803 is 308780245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 542087803 - 2⁵ = 542087771 is a prime.

It is a super-2 number, since 2×542087803² = 587718372322733618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542087813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14265450 + ... + 14265487.

It is an arithmetic number, because the mean of its divisors is an integer number (142654690).

Almost surely, 2^542087803 is an apocalyptic number.

542087803 is a deficient number, since it is larger than the sum of its proper divisors (28530957).

542087803 is a wasteful number, since it uses less digits than its factorization.

542087803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28530956.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 542087803 is about 23282.7791081735. The cubic root of 542087803 is about 815.3734111319.

The spelling of 542087803 in words is "five hundred forty-two million, eighty-seven thousand, eight hundred three".