240313725437 has 2 divisors, whose sum is σ = 240313725438. Its totient is φ = 240313725436.

The previous prime is 240313725413. The next prime is 240313725479. The reversal of 240313725437 is 734527313042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240277412761 + 36312676 = 490181^2 + 6026^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240313725437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240313725394 and 240313725403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240313725737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120156862718 + 120156862719.

It is an arithmetic number, because the mean of its divisors is an integer number (120156862719).

Almost surely, 2^240313725437 is an apocalyptic number.

It is an amenable number.

240313725437 is a deficient number, since it is larger than the sum of its proper divisors (1).

240313725437 is an equidigital number, since it uses as much as digits as its factorization.

240313725437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 41.

The spelling of 240313725437 in words is "two hundred forty billion, three hundred thirteen million, seven hundred twenty-five thousand, four hundred thirty-seven".