542424245 has 24 divisors (see below), whose sum is σ = 717079608. Its totient is φ = 393599360.

The previous prime is 542424209. The next prime is 542424247.

542424245 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 133656721 + 408767524 = 11561^2 + 20218^2 .

It is not a de Polignac number, because 542424245 - 2¹⁴ = 542407861 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 (542424247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394379 + ... + 395751.

It is an arithmetic number, because the mean of its divisors is an integer number (29878317).

Almost surely, 2^542424245 is an apocalyptic number.

542424245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542424245 is a deficient number, since it is larger than the sum of its proper divisors (174655363).

542424245 is a wasteful number, since it uses less digits than its factorization.

542424245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053 (or 2042 counting only the distinct ones).

The product of its digits is 51200, while the sum is 32.

The square root of 542424245 is about 23290.0031129238. The cubic root of 542424245 is about 815.5420610115.

The spelling of 542424245 in words is "five hundred forty-two million, four hundred twenty-four thousand, two hundred forty-five".