240453313 has 4 divisors (see below), whose sum is σ = 243747268. Its totient is φ = 237159360.

The previous prime is 240453299. The next prime is 240453319. The reversal of 240453313 is 313354042.

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 85525504 + 154927809 = 9248^2 + 12447^2 .

It is a cyclic number.

It is not a de Polignac number, because 240453313 - 2²¹ = 238356161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240453319) 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, 1646868 + ... + 1647013.

It is an arithmetic number, because the mean of its divisors is an integer number (60936817).

Almost surely, 2^240453313 is an apocalyptic number.

It is an amenable number.

240453313 is a deficient number, since it is larger than the sum of its proper divisors (3293955).

240453313 is an equidigital number, since it uses as much as digits as its factorization.

240453313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293954.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 240453313 is about 15506.5570969187. The cubic root of 240453313 is about 621.8375186891.

The spelling of 240453313 in words is "two hundred forty million, four hundred fifty-three thousand, three hundred thirteen".