235732397 has 2 divisors, whose sum is σ = 235732398. Its totient is φ = 235732396.

The previous prime is 235732381. The next prime is 235732457. The reversal of 235732397 is 793237532.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224670121 + 11062276 = 14989^2 + 3326^2 .

It is a cyclic number.

It is not a de Polignac number, because 235732397 - 2⁴ = 235732381 is a prime.

It is a super-4 number, since 4×235732397⁴ (a number of 35 digits) contains 4444 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235732337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117866198 + 117866199.

It is an arithmetic number, because the mean of its divisors is an integer number (117866199).

Almost surely, 2^235732397 is an apocalyptic number.

It is an amenable number.

235732397 is a deficient number, since it is larger than the sum of its proper divisors (1).

235732397 is an equidigital number, since it uses as much as digits as its factorization.

235732397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 41.

The square root of 235732397 is about 15353.5792895338. The cubic root of 235732397 is about 617.7409961541.

The spelling of 235732397 in words is "two hundred thirty-five million, seven hundred thirty-two thousand, three hundred ninety-seven".