240520025 has 6 divisors (see below), whose sum is σ = 298244862. Its totient is φ = 192416000.

The previous prime is 240520019. The next prime is 240520081. The reversal of 240520025 is 520025042.

240520025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 53158681 + 187361344 = 7291^2 + 13688^2 .

It is not a de Polignac number, because 240520025 - 2¹⁰ = 240519001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240519979 and 240520006.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4810376 + ... + 4810425.

It is an arithmetic number, because the mean of its divisors is an integer number (49707477).

Almost surely, 2^240520025 is an apocalyptic number.

240520025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240520025 is a deficient number, since it is larger than the sum of its proper divisors (57724837).

240520025 is an equidigital number, since it uses as much as digits as its factorization.

240520025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9620811 (or 9620806 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 240520025 is about 15508.7080377445. The cubic root of 240520025 is about 621.8950214508.

Adding to 240520025 its reverse (520025042), we get a palindrome (760545067).

The spelling of 240520025 in words is "two hundred forty million, five hundred twenty thousand, twenty-five".