240536313 has 12 divisors (see below), whose sum is σ = 353997540. Its totient is φ = 157331616.

The previous prime is 240536311. The next prime is 240536339. The reversal of 240536313 is 313635042.

It is a happy number.

240536313 is a `hidden beast` number, since 24 + 0 + 5 + 3 + 631 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 219988224 + 20548089 = 14832^2 + 4533^2 .

It is not a de Polignac number, because 240536313 - 2¹ = 240536311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240536311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251658 + ... + 252611.

It is an arithmetic number, because the mean of its divisors is an integer number (29499795).

Almost surely, 2^240536313 is an apocalyptic number.

It is an amenable number.

240536313 is a deficient number, since it is larger than the sum of its proper divisors (113461227).

240536313 is a wasteful number, since it uses less digits than its factorization.

240536313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504328 (or 504325 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 240536313 is about 15509.2331531897. The cubic root of 240536313 is about 621.9090593637.

The spelling of 240536313 in words is "two hundred forty million, five hundred thirty-six thousand, three hundred thirteen".