42203053 has 2 divisors, whose sum is σ = 42203054. Its totient is φ = 42203052.

The previous prime is 42203023. The next prime is 42203069. The reversal of 42203053 is 35030224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36457444 + 5745609 = 6038^2 + 2397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42203053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42203053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42203003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21101526 + 21101527.

It is an arithmetic number, because the mean of its divisors is an integer number (21101527).

Almost surely, 2^42203053 is an apocalyptic number.

It is an amenable number.

42203053 is a deficient number, since it is larger than the sum of its proper divisors (1).

42203053 is an equidigital number, since it uses as much as digits as its factorization.

42203053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 42203053 is about 6496.3876885543. The cubic root of 42203053 is about 348.1619368982.

Adding to 42203053 its reverse (35030224), we get a palindrome (77233277).

The spelling of 42203053 in words is "forty-two million, two hundred three thousand, fifty-three".