245045539 has 2 divisors, whose sum is σ = 245045540. Its totient is φ = 245045538.

The previous prime is 245045503. The next prime is 245045543. The reversal of 245045539 is 935540542.

245045539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245045539 - 2²⁵ = 211491107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 245045498 and 245045507.

It is not a weakly prime, because it can be changed into another prime (245045039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122522769 + 122522770.

It is an arithmetic number, because the mean of its divisors is an integer number (122522770).

Almost surely, 2^245045539 is an apocalyptic number.

245045539 is a deficient number, since it is larger than the sum of its proper divisors (1).

245045539 is an equidigital number, since it uses as much as digits as its factorization.

245045539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 245045539 is about 15653.9304649024. The cubic root of 245045539 is about 625.7712411878.

The spelling of 245045539 in words is "two hundred forty-five million, forty-five thousand, five hundred thirty-nine".