356242241 has 4 divisors (see below), whose sum is σ = 356361684. Its totient is φ = 356122800.

The previous prime is 356242231. The next prime is 356242261. The reversal of 356242241 is 142242653.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 349503025 + 6739216 = 18695^2 + 2596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356242241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (356242231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55130 + ... + 61251.

It is an arithmetic number, because the mean of its divisors is an integer number (89090421).

Almost surely, 2^356242241 is an apocalyptic number.

It is an amenable number.

356242241 is a deficient number, since it is larger than the sum of its proper divisors (119443).

356242241 is a wasteful number, since it uses less digits than its factorization.

356242241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119442.

The product of its digits is 11520, while the sum is 29.

The square root of 356242241 is about 18874.3805461265. The cubic root of 356242241 is about 708.8948229406.

Adding to 356242241 its reverse (142242653), we get a palindrome (498484894).

The spelling of 356242241 in words is "three hundred fifty-six million, two hundred forty-two thousand, two hundred forty-one".