245580229 has 2 divisors, whose sum is σ = 245580230. Its totient is φ = 245580228.

The previous prime is 245580197. The next prime is 245580271. The reversal of 245580229 is 922085542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245548900 + 31329 = 15670^2 + 177^2 .

It is a cyclic number.

It is not a de Polignac number, because 245580229 - 2⁵ = 245580197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245580289) 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, 122790114 + 122790115.

It is an arithmetic number, because the mean of its divisors is an integer number (122790115).

Almost surely, 2^245580229 is an apocalyptic number.

It is an amenable number.

245580229 is a deficient number, since it is larger than the sum of its proper divisors (1).

245580229 is an equidigital number, since it uses as much as digits as its factorization.

245580229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 245580229 is about 15670.9996171272. Note that the first 3 decimals coincide. The cubic root of 245580229 is about 626.2260553685.

The spelling of 245580229 in words is "two hundred forty-five million, five hundred eighty thousand, two hundred twenty-nine".