542250079 has 12 divisors (see below), whose sum is σ = 626245104. Its totient is φ = 459938304.

The previous prime is 542250077. The next prime is 542250097. The reversal of 542250079 is 970052245.

It is not a de Polignac number, because 542250079 - 2¹ = 542250077 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 (542250077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61747 + ... + 69979.

It is an arithmetic number, because the mean of its divisors is an integer number (52187092).

Almost surely, 2^542250079 is an apocalyptic number.

542250079 is a deficient number, since it is larger than the sum of its proper divisors (83995025).

542250079 is an frugal number, since it uses more digits than its factorization.

542250079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8434 (or 8337 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 542250079 is about 23286.2637406691. The cubic root of 542250079 is about 815.4547647023.

The spelling of 542250079 in words is "five hundred forty-two million, two hundred fifty thousand, seventy-nine".