252075739 has 2 divisors, whose sum is σ = 252075740. Its totient is φ = 252075738.

The previous prime is 252075737. The next prime is 252075781. The reversal of 252075739 is 937570252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252075739 - 2¹ = 252075737 is a prime.

It is a super-2 number, since 2×252075739² = 127084356384792242, which contains 22 as substring.

Together with 252075737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (252075737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126037869 + 126037870.

It is an arithmetic number, because the mean of its divisors is an integer number (126037870).

Almost surely, 2^252075739 is an apocalyptic number.

252075739 is a deficient number, since it is larger than the sum of its proper divisors (1).

252075739 is an equidigital number, since it uses as much as digits as its factorization.

252075739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 252075739 is about 15876.8932414374. The cubic root of 252075739 is about 631.6992331572.

The spelling of 252075739 in words is "two hundred fifty-two million, seventy-five thousand, seven hundred thirty-nine".