230690249 has 4 divisors (see below), whose sum is σ = 231697860. Its totient is φ = 229682640.

The previous prime is 230690219. The next prime is 230690263. The reversal of 230690249 is 942096032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 161467849 + 69222400 = 12707^2 + 8320^2 .

It is a cyclic number.

It is not a de Polignac number, because 230690249 - 2⁸ = 230689993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230690219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503462 + ... + 503919.

It is an arithmetic number, because the mean of its divisors is an integer number (57924465).

Almost surely, 2^230690249 is an apocalyptic number.

It is an amenable number.

230690249 is a deficient number, since it is larger than the sum of its proper divisors (1007611).

230690249 is a wasteful number, since it uses less digits than its factorization.

230690249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007610.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 230690249 is about 15188.4906755082. The cubic root of 230690249 is about 613.3048690778.

The spelling of 230690249 in words is "two hundred thirty million, six hundred ninety thousand, two hundred forty-nine".