240312425 has 12 divisors (see below), whose sum is σ = 315516636. Its totient is φ = 180940800.

The previous prime is 240312419. The next prime is 240312461. The reversal of 240312425 is 524213042.

It is a happy number.

240312425 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 6 ways, for example, as 434281 + 239878144 = 659^2 + 15488^2 .

It is a de Polignac number, because none of the positive numbers 2^k-240312425 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240312425.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282296 + ... + 283145.

It is an arithmetic number, because the mean of its divisors is an integer number (26293053).

Almost surely, 2^240312425 is an apocalyptic number.

240312425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

240312425 is a deficient number, since it is larger than the sum of its proper divisors (75204211).

240312425 is a wasteful number, since it uses less digits than its factorization.

240312425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565468 (or 565463 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 240312425 is about 15502.0135788871. The cubic root of 240312425 is about 621.7160445733.

Adding to 240312425 its reverse (524213042), we get a palindrome (764525467).

The spelling of 240312425 in words is "two hundred forty million, three hundred twelve thousand, four hundred twenty-five".