202042993 has 2 divisors, whose sum is σ = 202042994. Its totient is φ = 202042992.

The previous prime is 202042937. The next prime is 202043059. The reversal of 202042993 is 399240202.

202042993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149523984 + 52519009 = 12228^2 + 7247^2 .

It is a cyclic number.

It is not a de Polignac number, because 202042993 - 2²¹ = 199945841 is a prime.

It is equal to p_11185870 and since 202042993 and 11185870 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (202042933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101021496 + 101021497.

It is an arithmetic number, because the mean of its divisors is an integer number (101021497).

Almost surely, 2^202042993 is an apocalyptic number.

It is an amenable number.

202042993 is a deficient number, since it is larger than the sum of its proper divisors (1).

202042993 is an equidigital number, since it uses as much as digits as its factorization.

202042993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 202042993 is about 14214.1828115443. The cubic root of 202042993 is about 586.7880549364.

The spelling of 202042993 in words is "two hundred two million, forty-two thousand, nine hundred ninety-three".