240856053 has 4 divisors (see below), whose sum is σ = 321141408. Its totient is φ = 160570700.

The previous prime is 240856039. The next prime is 240856073. The reversal of 240856053 is 350658042.

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 not a de Polignac number, because 240856053 - 2¹² = 240851957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240856073) 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, 40142673 + ... + 40142678.

It is an arithmetic number, because the mean of its divisors is an integer number (80285352).

Almost surely, 2^240856053 is an apocalyptic number.

It is an amenable number.

240856053 is a deficient number, since it is larger than the sum of its proper divisors (80285355).

240856053 is an equidigital number, since it uses as much as digits as its factorization.

240856053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80285354.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 240856053 is about 15519.5377830656. The cubic root of 240856053 is about 622.1845010166.

The spelling of 240856053 in words is "two hundred forty million, eight hundred fifty-six thousand, fifty-three".