240504425 has 12 divisors (see below), whose sum is σ = 340829376. Its totient is φ = 164917200.

The previous prime is 240504421. The next prime is 240504443. The reversal of 240504425 is 524405042.

It is not a de Polignac number, because 240504425 - 2² = 240504421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240504394 and 240504403.

It is not an unprimeable number, because it can be changed into a prime (240504421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686981 + ... + 687330.

It is an arithmetic number, because the mean of its divisors is an integer number (28402448).

Almost surely, 2^240504425 is an apocalyptic number.

240504425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240504425 is a deficient number, since it is larger than the sum of its proper divisors (100324951).

240504425 is a wasteful number, since it uses less digits than its factorization.

240504425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374328 (or 1374323 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 240504425 is about 15508.2050863406. The cubic root of 240504425 is about 621.8815759008.

Adding to 240504425 its reverse (524405042), we get a palindrome (764909467).

The spelling of 240504425 in words is "two hundred forty million, five hundred four thousand, four hundred twenty-five".