240524749 has 2 divisors, whose sum is σ = 240524750. Its totient is φ = 240524748.

The previous prime is 240524747. The next prime is 240524761. The reversal of 240524749 is 947425042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146240649 + 94284100 = 12093^2 + 9710^2 .

It is a cyclic number.

It is not a de Polignac number, because 240524749 - 2¹ = 240524747 is a prime.

Together with 240524747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240524747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120262374 + 120262375.

It is an arithmetic number, because the mean of its divisors is an integer number (120262375).

Almost surely, 2^240524749 is an apocalyptic number.

It is an amenable number.

240524749 is a deficient number, since it is larger than the sum of its proper divisors (1).

240524749 is an equidigital number, since it uses as much as digits as its factorization.

240524749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 240524749 is about 15508.8603385291. The cubic root of 240524749 is about 621.8990929245.

The spelling of 240524749 in words is "two hundred forty million, five hundred twenty-four thousand, seven hundred forty-nine".