942235513 has 2 divisors, whose sum is σ = 942235514. Its totient is φ = 942235512.

The previous prime is 942235507. The next prime is 942235561. The reversal of 942235513 is 315532249.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 907696384 + 34539129 = 30128^2 + 5877^2 .

It is an emirp because it is prime and its reverse (315532249) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 942235513 - 2¹⁷ = 942104441 is a prime.

It is not a weakly prime, because it can be changed into another prime (942235573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471117756 + 471117757.

It is an arithmetic number, because the mean of its divisors is an integer number (471117757).

Almost surely, 2^942235513 is an apocalyptic number.

It is an amenable number.

942235513 is a deficient number, since it is larger than the sum of its proper divisors (1).

942235513 is an equidigital number, since it uses as much as digits as its factorization.

942235513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 34.

The square root of 942235513 is about 30695.8549807625. The cubic root of 942235513 is about 980.3620462255.

The spelling of 942235513 in words is "nine hundred forty-two million, two hundred thirty-five thousand, five hundred thirteen".