240233913 has 6 divisors (see below), whose sum is σ = 347004554. Its totient is φ = 160155936.

The previous prime is 240233881. The next prime is 240233969. The reversal of 240233913 is 319332042.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 232349049 + 7884864 = 15243^2 + 2808^2 .

It is not a de Polignac number, because 240233913 - 2⁵ = 240233881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240233113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13346320 + ... + 13346337.

Almost surely, 2^240233913 is an apocalyptic number.

It is an amenable number.

240233913 is a deficient number, since it is larger than the sum of its proper divisors (106770641).

240233913 is a wasteful number, since it uses less digits than its factorization.

240233913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26692663 (or 26692660 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 240233913 is about 15499.4810558289. The cubic root of 240233913 is about 621.6483306562.

Adding to 240233913 its reverse (319332042), we get a palindrome (559565955).

It can be divided in two parts, 2402 and 33913, that added together give a triangular number (36315 = T₂₆₉).

The spelling of 240233913 in words is "two hundred forty million, two hundred thirty-three thousand, nine hundred thirteen".