240521041 has 4 divisors (see below), whose sum is σ = 248814900. Its totient is φ = 232227184.

The previous prime is 240521027. The next prime is 240521069. The reversal of 240521041 is 140125042.

240521041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140920641 + 99600400 = 11871^2 + 9980^2 .

It is a cyclic number.

It is not a de Polignac number, because 240521041 - 2⁵ = 240521009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240521441) 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, 4146886 + ... + 4146943.

It is an arithmetic number, because the mean of its divisors is an integer number (62203725).

Almost surely, 2^240521041 is an apocalyptic number.

It is an amenable number.

240521041 is a deficient number, since it is larger than the sum of its proper divisors (8293859).

240521041 is an equidigital number, since it uses as much as digits as its factorization.

240521041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8293858.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 240521041 is about 15508.7407935009. The cubic root of 240521041 is about 621.8958971152.

Adding to 240521041 its reverse (140125042), we get a palindrome (380646083).

The spelling of 240521041 in words is "two hundred forty million, five hundred twenty-one thousand, forty-one".