245450041 has 2 divisors, whose sum is σ = 245450042. Its totient is φ = 245450040.

The previous prime is 245450021. The next prime is 245450057. The reversal of 245450041 is 140054542.

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., 160275600 + 85174441 = 12660^2 + 9229^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245450041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245449988 and 245450015.

It is not a weakly prime, because it can be changed into another prime (245450021) 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, 122725020 + 122725021.

It is an arithmetic number, because the mean of its divisors is an integer number (122725021).

Almost surely, 2^245450041 is an apocalyptic number.

It is an amenable number.

245450041 is a deficient number, since it is larger than the sum of its proper divisors (1).

245450041 is an equidigital number, since it uses as much as digits as its factorization.

245450041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 245450041 is about 15666.8452791237. The cubic root of 245450041 is about 626.1153766319.

The spelling of 245450041 in words is "two hundred forty-five million, four hundred fifty thousand, forty-one".