542325779 has 2 divisors, whose sum is σ = 542325780. Its totient is φ = 542325778.

The previous prime is 542325743. The next prime is 542325799. The reversal of 542325779 is 977523245.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542325779 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (542325709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271162889 + 271162890.

It is an arithmetic number, because the mean of its divisors is an integer number (271162890).

Almost surely, 2^542325779 is an apocalyptic number.

542325779 is a deficient number, since it is larger than the sum of its proper divisors (1).

542325779 is an equidigital number, since it uses as much as digits as its factorization.

542325779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 44.

The square root of 542325779 is about 23287.8891057133. The cubic root of 542325779 is about 815.4927097119.

The spelling of 542325779 in words is "five hundred forty-two million, three hundred twenty-five thousand, seven hundred seventy-nine".