245527729 has 2 divisors, whose sum is σ = 245527730. Its totient is φ = 245527728.

The previous prime is 245527697. The next prime is 245527769. The reversal of 245527729 is 927725542.

245527729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219721329 + 25806400 = 14823^2 + 5080^2 .

It is a cyclic number.

It is not a de Polignac number, because 245527729 - 2⁵ = 245527697 is a prime.

It is not a weakly prime, because it can be changed into another prime (245527769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122763864 + 122763865.

It is an arithmetic number, because the mean of its divisors is an integer number (122763865).

Almost surely, 2^245527729 is an apocalyptic number.

It is an amenable number.

245527729 is a deficient number, since it is larger than the sum of its proper divisors (1).

245527729 is an equidigital number, since it uses as much as digits as its factorization.

245527729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 352800, while the sum is 43.

The square root of 245527729 is about 15669.3244589548. The cubic root of 245527729 is about 626.1814274396.

The spelling of 245527729 in words is "two hundred forty-five million, five hundred twenty-seven thousand, seven hundred twenty-nine".