357241 has 2 divisors, whose sum is σ = 357242. Its totient is φ = 357240.

The previous prime is 357239. The next prime is 357263. The reversal of 357241 is 142753.

It is an a-pointer prime, because the next prime (357263) can be obtained adding 357241 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355216 + 2025 = 596^2 + 45^2 .

It is a cyclic number.

It is not a de Polignac number, because 357241 - 2¹ = 357239 is a prime.

It is a super-2 number, since 2×357241² = 255242264162, which contains 22 as substring.

Together with 357239, it forms a pair of twin primes.

357241 is a lucky number.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (357211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178620 + 178621.

It is an arithmetic number, because the mean of its divisors is an integer number (178621).

2³⁵⁷²⁴¹ is an apocalyptic number.

It is an amenable number.

357241 is a deficient number, since it is larger than the sum of its proper divisors (1).

357241 is an equidigital number, since it uses as much as digits as its factorization.

357241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 22.

The square root of 357241 is about 597.6964112323. The cubic root of 357241 is about 70.9556689473.

Adding to 357241 its reverse (142753), we get a palindrome (499994).

The spelling of 357241 in words is "three hundred fifty-seven thousand, two hundred forty-one".