245632241 has 2 divisors, whose sum is σ = 245632242. Its totient is φ = 245632240.

The previous prime is 245632229. The next prime is 245632253. The reversal of 245632241 is 142236542.

It is a balanced prime because it is at equal distance from previous prime (245632229) and next prime (245632253).

It can be written as a sum of positive squares in only one way, i.e., 171741025 + 73891216 = 13105^2 + 8596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245632241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245632141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122816120 + 122816121.

It is an arithmetic number, because the mean of its divisors is an integer number (122816121).

Almost surely, 2^245632241 is an apocalyptic number.

It is an amenable number.

245632241 is a deficient number, since it is larger than the sum of its proper divisors (1).

245632241 is an equidigital number, since it uses as much as digits as its factorization.

245632241 is an odious number, because the sum of its binary digits is odd.

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

The square root of 245632241 is about 15672.6590277464. The cubic root of 245632241 is about 626.2702621986.

Adding to 245632241 its reverse (142236542), we get a palindrome (387868783).

The spelling of 245632241 in words is "two hundred forty-five million, six hundred thirty-two thousand, two hundred forty-one".