542421361 has 2 divisors, whose sum is σ = 542421362. Its totient is φ = 542421360.

The previous prime is 542421337. The next prime is 542421371. The reversal of 542421361 is 163124245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 302760000 + 239661361 = 17400^2 + 15481^2 .

It is a cyclic number.

It is not a de Polignac number, because 542421361 - 2⁷ = 542421233 is a prime.

It is not a weakly prime, because it can be changed into another prime (542421331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271210680 + 271210681.

It is an arithmetic number, because the mean of its divisors is an integer number (271210681).

Almost surely, 2^542421361 is an apocalyptic number.

It is an amenable number.

542421361 is a deficient number, since it is larger than the sum of its proper divisors (1).

542421361 is an equidigital number, since it uses as much as digits as its factorization.

542421361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 28.

The square root of 542421361 is about 23289.9411978648. The cubic root of 542421361 is about 815.5406156315.

The spelling of 542421361 in words is "five hundred forty-two million, four hundred twenty-one thousand, three hundred sixty-one".