245772727 has 2 divisors, whose sum is σ = 245772728. Its totient is φ = 245772726.

The previous prime is 245772707. The next prime is 245772749. The reversal of 245772727 is 727277542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245772727 - 2¹⁹ = 245248439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245772707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122886363 + 122886364.

It is an arithmetic number, because the mean of its divisors is an integer number (122886364).

Almost surely, 2^245772727 is an apocalyptic number.

245772727 is a deficient number, since it is larger than the sum of its proper divisors (1).

245772727 is an equidigital number, since it uses as much as digits as its factorization.

245772727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384160, while the sum is 43.

The square root of 245772727 is about 15677.1402685566. The cubic root of 245772727 is about 626.3896350133.

The spelling of 245772727 in words is "two hundred forty-five million, seven hundred seventy-two thousand, seven hundred twenty-seven".