235257249 has 16 divisors (see below), whose sum is σ = 319760640. Its totient is φ = 153809040.

The previous prime is 235257247. The next prime is 235257263. The reversal of 235257249 is 942752532.

235257249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 235257249 - 2¹ = 235257247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (235257241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85554 + ... + 88260.

It is an arithmetic number, because the mean of its divisors is an integer number (19985040).

Almost surely, 2^235257249 is an apocalyptic number.

It is an amenable number.

235257249 is a deficient number, since it is larger than the sum of its proper divisors (84503391).

235257249 is a wasteful number, since it uses less digits than its factorization.

235257249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260.

The product of its digits is 151200, while the sum is 39.

The square root of 235257249 is about 15338.0979590039. The cubic root of 235257249 is about 617.3256723501.

The spelling of 235257249 in words is "two hundred thirty-five million, two hundred fifty-seven thousand, two hundred forty-nine".