542622671 has 4 divisors (see below), whose sum is σ = 542722992. Its totient is φ = 542522352.

The previous prime is 542622611. The next prime is 542622701. The reversal of 542622671 is 176226245.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542622671 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 (542622611) 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, 41555 + ... + 53028.

It is an arithmetic number, because the mean of its divisors is an integer number (135680748).

Almost surely, 2^542622671 is an apocalyptic number.

542622671 is a deficient number, since it is larger than the sum of its proper divisors (100321).

542622671 is an equidigital number, since it uses as much as digits as its factorization.

542622671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100320.

The product of its digits is 40320, while the sum is 35.

The square root of 542622671 is about 23294.2626197955. The cubic root of 542622671 is about 815.6414942638.

The spelling of 542622671 in words is "five hundred forty-two million, six hundred twenty-two thousand, six hundred seventy-one".