235427389 has 2 divisors, whose sum is σ = 235427390. Its totient is φ = 235427388.

The previous prime is 235427363. The next prime is 235427429. The reversal of 235427389 is 983724532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231192025 + 4235364 = 15205^2 + 2058^2 .

It is a cyclic number.

It is not a de Polignac number, because 235427389 - 2¹⁹ = 234903101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235427789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117713694 + 117713695.

It is an arithmetic number, because the mean of its divisors is an integer number (117713695).

Almost surely, 2^235427389 is an apocalyptic number.

It is an amenable number.

235427389 is a deficient number, since it is larger than the sum of its proper divisors (1).

235427389 is an equidigital number, since it uses as much as digits as its factorization.

235427389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 235427389 is about 15343.6432766146. The cubic root of 235427389 is about 617.4744548432.

The spelling of 235427389 in words is "two hundred thirty-five million, four hundred twenty-seven thousand, three hundred eighty-nine".