542686245 has 8 divisors (see below), whose sum is σ = 868298016. Its totient is φ = 289432656.

The previous prime is 542686241. The next prime is 542686253.

It is a happy number.

542686245 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 542686245 - 2² = 542686241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542686197 and 542686206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542686241) 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, 18089527 + ... + 18089556.

It is an arithmetic number, because the mean of its divisors is an integer number (108537252).

Almost surely, 2^542686245 is an apocalyptic number.

It is an amenable number.

542686245 is a deficient number, since it is larger than the sum of its proper divisors (325611771).

542686245 is a wasteful number, since it uses less digits than its factorization.

542686245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36179091.

The product of its digits is 460800, while the sum is 42.

The square root of 542686245 is about 23295.6271647706. The cubic root of 542686245 is about 815.6733467033.

The spelling of 542686245 in words is "five hundred forty-two million, six hundred eighty-six thousand, two hundred forty-five".