42203297 has 2 divisors, whose sum is σ = 42203298. Its totient is φ = 42203296.

The previous prime is 42203279. The next prime is 42203303. The reversal of 42203297 is 79230224.

It is a happy number.

Together with previous prime (42203279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21446161 + 20757136 = 4631^2 + 4556^2 .

It is a cyclic number.

It is not a de Polignac number, because 42203297 - 2¹⁰ = 42202273 is a prime.

It is a super-2 number, since 2×42203297² = 3562236555340418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42203267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21101648 + 21101649.

It is an arithmetic number, because the mean of its divisors is an integer number (21101649).

Almost surely, 2^42203297 is an apocalyptic number.

It is an amenable number.

42203297 is a deficient number, since it is larger than the sum of its proper divisors (1).

42203297 is an equidigital number, since it uses as much as digits as its factorization.

42203297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 42203297 is about 6496.4064681946. The cubic root of 42203297 is about 348.1626078714.

It can be divided in two parts, 4 and 2203297, that multiplied together give a palindrome (8813188).

The spelling of 42203297 in words is "forty-two million, two hundred three thousand, two hundred ninety-seven".