542003091 has 8 divisors (see below), whose sum is σ = 825909504. Its totient is φ = 309716040.

The previous prime is 542003057. The next prime is 542003131. The reversal of 542003091 is 190300245.

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

It is a de Polignac number, because none of the positive numbers 2^k-542003091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542004091) 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, 12904815 + ... + 12904856.

It is an arithmetic number, because the mean of its divisors is an integer number (103238688).

Almost surely, 2^542003091 is an apocalyptic number.

542003091 is a deficient number, since it is larger than the sum of its proper divisors (283906413).

542003091 is a wasteful number, since it uses less digits than its factorization.

542003091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25809681.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 542003091 is about 23280.9598384603. The cubic root of 542003091 is about 815.3309361489.

It can be divided in two parts, 54200 and 3091, that added together give a triangular number (57291 = T₃₃₈).

The spelling of 542003091 in words is "five hundred forty-two million, three thousand, ninety-one".