240520053 has 8 divisors (see below), whose sum is σ = 321181216. Its totient is φ = 160102800.

The previous prime is 240520019. The next prime is 240520081. The reversal of 240520053 is 350025042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240520053 - 2²⁴ = 223742837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240520153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58663 + ... + 62628.

It is an arithmetic number, because the mean of its divisors is an integer number (40147652).

Almost surely, 2^240520053 is an apocalyptic number.

It is an amenable number.

240520053 is a deficient number, since it is larger than the sum of its proper divisors (80661163).

240520053 is a wasteful number, since it uses less digits than its factorization.

240520053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121955.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 240520053 is about 15508.7089404631. The cubic root of 240520053 is about 621.8950455833.

Adding to 240520053 its reverse (350025042), we get a palindrome (590545095).

The spelling of 240520053 in words is "two hundred forty million, five hundred twenty thousand, fifty-three".