240520425 has 12 divisors (see below), whose sum is σ = 397660560. Its totient is φ = 128277520.

The previous prime is 240520421. The next prime is 240520429. The reversal of 240520425 is 524025042.

It is a happy number.

240520425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (240520421) and next prime (240520429).

It is not a de Polignac number, because 240520425 - 2² = 240520421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240520395 and 240520404.

It is not an unprimeable number, because it can be changed into a prime (240520421) 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, 1603395 + ... + 1603544.

It is an arithmetic number, because the mean of its divisors is an integer number (33138380).

Almost surely, 2^240520425 is an apocalyptic number.

240520425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240520425 is a deficient number, since it is larger than the sum of its proper divisors (157140135).

240520425 is a wasteful number, since it uses less digits than its factorization.

240520425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206952 (or 3206947 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 240520425 is about 15508.7209337198. The cubic root of 240520425 is about 621.8953662008.

Adding to 240520425 its reverse (524025042), we get a palindrome (764545467).

The spelling of 240520425 in words is "two hundred forty million, five hundred twenty thousand, four hundred twenty-five".