542585245 has 4 divisors (see below), whose sum is σ = 651102300. Its totient is φ = 434068192.

The previous prime is 542585213. The next prime is 542585257.

542585245 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 275360836 + 267224409 = 16594^2 + 16347^2 .

It is a cyclic number.

It is not a de Polignac number, because 542585245 - 2⁵ = 542585213 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 542585198 and 542585207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54258520 + ... + 54258529.

It is an arithmetic number, because the mean of its divisors is an integer number (162775575).

Almost surely, 2^542585245 is an apocalyptic number.

It is an amenable number.

542585245 is a deficient number, since it is larger than the sum of its proper divisors (108517055).

542585245 is a wasteful number, since it uses less digits than its factorization.

542585245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108517054.

The product of its digits is 320000, while the sum is 40.

The square root of 542585245 is about 23293.4592750841. The cubic root of 542585245 is about 815.6227415761.

The spelling of 542585245 in words is "five hundred forty-two million, five hundred eighty-five thousand, two hundred forty-five".