245747027 has 2 divisors, whose sum is σ = 245747028. Its totient is φ = 245747026.

The previous prime is 245747009. The next prime is 245747063. The reversal of 245747027 is 720747542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245747027 - 2⁸ = 245746771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245747077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122873513 + 122873514.

It is an arithmetic number, because the mean of its divisors is an integer number (122873514).

Almost surely, 2^245747027 is an apocalyptic number.

245747027 is a deficient number, since it is larger than the sum of its proper divisors (1).

245747027 is an equidigital number, since it uses as much as digits as its factorization.

245747027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 109760, while the sum is 38.

The square root of 245747027 is about 15676.3205823305. The cubic root of 245747027 is about 626.3678007833.

The spelling of 245747027 in words is "two hundred forty-five million, seven hundred forty-seven thousand, twenty-seven".