538235297 has 2 divisors, whose sum is σ = 538235298. Its totient is φ = 538235296.

The previous prime is 538235293. The next prime is 538235311. The reversal of 538235297 is 792532835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471714961 + 66520336 = 21719^2 + 8156^2 .

It is a cyclic number.

It is not a de Polignac number, because 538235297 - 2² = 538235293 is a prime.

It is not a weakly prime, because it can be changed into another prime (538235293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269117648 + 269117649.

It is an arithmetic number, because the mean of its divisors is an integer number (269117649).

Almost surely, 2^538235297 is an apocalyptic number.

It is an amenable number.

538235297 is a deficient number, since it is larger than the sum of its proper divisors (1).

538235297 is an equidigital number, since it uses as much as digits as its factorization.

538235297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 44.

The square root of 538235297 is about 23199.8986420200. The cubic root of 538235297 is about 813.4372537904.

The spelling of 538235297 in words is "five hundred thirty-eight million, two hundred thirty-five thousand, two hundred ninety-seven".