395637241 has 2 divisors, whose sum is σ = 395637242. Its totient is φ = 395637240.

The previous prime is 395637217. The next prime is 395637251. The reversal of 395637241 is 142736593.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 354945600 + 40691641 = 18840^2 + 6379^2 .

It is an emirp because it is prime and its reverse (142736593) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 395637241 - 2¹¹ = 395635193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 395637194 and 395637203.

It is not a weakly prime, because it can be changed into another prime (395637251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197818620 + 197818621.

It is an arithmetic number, because the mean of its divisors is an integer number (197818621).

Almost surely, 2^395637241 is an apocalyptic number.

It is an amenable number.

395637241 is a deficient number, since it is larger than the sum of its proper divisors (1).

395637241 is an equidigital number, since it uses as much as digits as its factorization.

395637241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 395637241 is about 19890.6319909650. The cubic root of 395637241 is about 734.1177443780.

The spelling of 395637241 in words is "three hundred ninety-five million, six hundred thirty-seven thousand, two hundred forty-one".