542637311 has 4 divisors (see below), whose sum is σ = 544908000. Its totient is φ = 540366624.

The previous prime is 542637281. The next prime is 542637341. The reversal of 542637311 is 113736245.

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

It is an interprime number because it is at equal distance from previous prime (542637281) and next prime (542637341).

It is a cyclic number.

It is not a de Polignac number, because 542637311 - 2¹⁰ = 542636287 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 (542637341) 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, 1134986 + ... + 1135463.

It is an arithmetic number, because the mean of its divisors is an integer number (136227000).

Almost surely, 2^542637311 is an apocalyptic number.

542637311 is a deficient number, since it is larger than the sum of its proper divisors (2270689).

542637311 is a wasteful number, since it uses less digits than its factorization.

542637311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270688.

The product of its digits is 15120, while the sum is 32.

The square root of 542637311 is about 23294.5768581445. The cubic root of 542637311 is about 815.6488295539.

The spelling of 542637311 in words is "five hundred forty-two million, six hundred thirty-seven thousand, three hundred eleven".