542532293 has 2 divisors, whose sum is σ = 542532294. Its totient is φ = 542532292.

The previous prime is 542532227. The next prime is 542532301. The reversal of 542532293 is 392235245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 426711649 + 115820644 = 20657^2 + 10762^2 .

It is a cyclic number.

It is not a de Polignac number, because 542532293 - 2¹² = 542528197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542532223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271266146 + 271266147.

It is an arithmetic number, because the mean of its divisors is an integer number (271266147).

Almost surely, 2^542532293 is an apocalyptic number.

It is an amenable number.

542532293 is a deficient number, since it is larger than the sum of its proper divisors (1).

542532293 is an equidigital number, since it uses as much as digits as its factorization.

542532293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 35.

The square root of 542532293 is about 23292.3226192666. The cubic root of 542532293 is about 815.5962079510.

The spelling of 542532293 in words is "five hundred forty-two million, five hundred thirty-two thousand, two hundred ninety-three".