542991347 has 2 divisors, whose sum is σ = 542991348. Its totient is φ = 542991346.

The previous prime is 542991311. The next prime is 542991349. The reversal of 542991347 is 743199245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 542991347 - 2¹² = 542987251 is a prime.

Together with 542991349, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 542991298 and 542991307.

It is not a weakly prime, because it can be changed into another prime (542991349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271495673 + 271495674.

It is an arithmetic number, because the mean of its divisors is an integer number (271495674).

Almost surely, 2^542991347 is an apocalyptic number.

542991347 is a deficient number, since it is larger than the sum of its proper divisors (1).

542991347 is an equidigital number, since it uses as much as digits as its factorization.

542991347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 542991347 is about 23302.1747268361. The cubic root of 542991347 is about 815.8261771516.

The spelling of 542991347 in words is "five hundred forty-two million, nine hundred ninety-one thousand, three hundred forty-seven".