542780311 has 2 divisors, whose sum is σ = 542780312. Its totient is φ = 542780310.

The previous prime is 542780309. The next prime is 542780317. The reversal of 542780311 is 113087245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 542780311 - 2¹ = 542780309 is a prime.

It is a super-2 number, since 2×542780311² = 589220932018513442, which contains 22 as substring.

Together with 542780309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542780317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271390155 + 271390156.

It is an arithmetic number, because the mean of its divisors is an integer number (271390156).

Almost surely, 2^542780311 is an apocalyptic number.

542780311 is a deficient number, since it is larger than the sum of its proper divisors (1).

542780311 is an equidigital number, since it uses as much as digits as its factorization.

542780311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 542780311 is about 23297.6460398900. The cubic root of 542780311 is about 815.7204719665.

The spelling of 542780311 in words is "five hundred forty-two million, seven hundred eighty thousand, three hundred eleven".