240453013 has 4 divisors (see below), whose sum is σ = 240788160. Its totient is φ = 240117868.

The previous prime is 240452983. The next prime is 240453041. The reversal of 240453013 is 310354042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240453013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240453043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166495 + ... + 167932.

It is an arithmetic number, because the mean of its divisors is an integer number (60197040).

Almost surely, 2^240453013 is an apocalyptic number.

It is an amenable number.

240453013 is a deficient number, since it is larger than the sum of its proper divisors (335147).

240453013 is an equidigital number, since it uses as much as digits as its factorization.

240453013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335146.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 240453013 is about 15506.5474235885. The cubic root of 240453013 is about 621.8372600785.

The spelling of 240453013 in words is "two hundred forty million, four hundred fifty-three thousand, thirteen".