240115751 has 2 divisors, whose sum is σ = 240115752. Its totient is φ = 240115750.

The previous prime is 240115723. The next prime is 240115753. The reversal of 240115751 is 157511042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240115751 - 2¹⁴ = 240099367 is a prime.

Together with 240115753, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240115751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240115753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120057875 + 120057876.

It is an arithmetic number, because the mean of its divisors is an integer number (120057876).

Almost surely, 2^240115751 is an apocalyptic number.

240115751 is a deficient number, since it is larger than the sum of its proper divisors (1).

240115751 is an equidigital number, since it uses as much as digits as its factorization.

240115751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 240115751 is about 15495.6687819532. The cubic root of 240115751 is about 621.5463921529.

Adding to 240115751 its reverse (157511042), we get a palindrome (397626793).

The spelling of 240115751 in words is "two hundred forty million, one hundred fifteen thousand, seven hundred fifty-one".