542648437 has 4 divisors (see below), whose sum is σ = 542735136. Its totient is φ = 542561740.

The previous prime is 542648419. The next prime is 542648441. The reversal of 542648437 is 734846245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 542648437 - 2¹¹ = 542646389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542648393 and 542648402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542648237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33163 + ... + 46744.

It is an arithmetic number, because the mean of its divisors is an integer number (135683784).

Almost surely, 2^542648437 is an apocalyptic number.

It is an amenable number.

542648437 is a deficient number, since it is larger than the sum of its proper divisors (86699).

542648437 is an equidigital number, since it uses as much as digits as its factorization.

542648437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86698.

The product of its digits is 645120, while the sum is 43.

The square root of 542648437 is about 23294.8156678691. The cubic root of 542648437 is about 815.6544040857.

The spelling of 542648437 in words is "five hundred forty-two million, six hundred forty-eight thousand, four hundred thirty-seven".