236266397 has 2 divisors, whose sum is σ = 236266398. Its totient is φ = 236266396.

The previous prime is 236266363. The next prime is 236266403. The reversal of 236266397 is 793662632.

236266397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217090756 + 19175641 = 14734^2 + 4379^2 .

It is a cyclic number.

It is not a de Polignac number, because 236266397 - 2⁶ = 236266333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (236266337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118133198 + 118133199.

It is an arithmetic number, because the mean of its divisors is an integer number (118133199).

Almost surely, 2^236266397 is an apocalyptic number.

It is an amenable number.

236266397 is a deficient number, since it is larger than the sum of its proper divisors (1).

236266397 is an equidigital number, since it uses as much as digits as its factorization.

236266397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 44.

The square root of 236266397 is about 15370.9595341345. The cubic root of 236266397 is about 618.2070965907.

The spelling of 236266397 in words is "two hundred thirty-six million, two hundred sixty-six thousand, three hundred ninety-seven".