542000245 has 4 divisors (see below), whose sum is σ = 650400300. Its totient is φ = 433600192.

The previous prime is 542000243. The next prime is 542000257.

542000245 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in 2 ways, for example, as 77123524 + 464876721 = 8782^2 + 21561^2 .

It is a cyclic number.

It is not a de Polignac number, because 542000245 - 2¹ = 542000243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542000243) 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, 54200020 + ... + 54200029.

It is an arithmetic number, because the mean of its divisors is an integer number (162600075).

Almost surely, 2^542000245 is an apocalyptic number.

It is an amenable number.

542000245 is a deficient number, since it is larger than the sum of its proper divisors (108400055).

542000245 is a wasteful number, since it uses less digits than its factorization.

542000245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108400054.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 542000245 is about 23280.8987154706. The cubic root of 542000245 is about 815.3295090747.

It can be divided in two parts, 542000 and 245, that added together give a palindrome (542245).

The spelling of 542000245 in words is "five hundred forty-two million, two hundred forty-five", and thus it is an aban number.