252407741 has 2 divisors, whose sum is σ = 252407742. Its totient is φ = 252407740.

The previous prime is 252407713. The next prime is 252407759. The reversal of 252407741 is 147704252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 218418841 + 33988900 = 14779^2 + 5830^2 .

It is a cyclic number.

It is not a de Polignac number, because 252407741 - 2¹⁰ = 252406717 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 252407698 and 252407707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252407711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126203870 + 126203871.

It is an arithmetic number, because the mean of its divisors is an integer number (126203871).

Almost surely, 2^252407741 is an apocalyptic number.

It is an amenable number.

252407741 is a deficient number, since it is larger than the sum of its proper divisors (1).

252407741 is an equidigital number, since it uses as much as digits as its factorization.

252407741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 252407741 is about 15887.3453100258. The cubic root of 252407741 is about 631.9764427007.

The spelling of 252407741 in words is "two hundred fifty-two million, four hundred seven thousand, seven hundred forty-one".