240061385 has 4 divisors (see below), whose sum is σ = 288073668. Its totient is φ = 192049104.

The previous prime is 240061363. The next prime is 240061411. The reversal of 240061385 is 583160042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 583160042 = 2 ⋅291580021.

It can be written as a sum of positive squares in 2 ways, for example, as 62425801 + 177635584 = 7901^2 + 13328^2 .

It is a cyclic number.

It is not a de Polignac number, because 240061385 - 2¹⁶ = 239995849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24006134 + ... + 24006143.

It is an arithmetic number, because the mean of its divisors is an integer number (72018417).

Almost surely, 2^240061385 is an apocalyptic number.

It is an amenable number.

240061385 is a deficient number, since it is larger than the sum of its proper divisors (48012283).

240061385 is an equidigital number, since it uses as much as digits as its factorization.

240061385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48012282.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 240061385 is about 15493.9144505190. The cubic root of 240061385 is about 621.4994793041.

The spelling of 240061385 in words is "two hundred forty million, sixty-one thousand, three hundred eighty-five".