245248291 has 2 divisors, whose sum is σ = 245248292. Its totient is φ = 245248290.

The previous prime is 245248279. The next prime is 245248349. The reversal of 245248291 is 192842542.

245248291 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 is a cyclic number.

It is not a de Polignac number, because 245248291 - 2⁵ = 245248259 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245248291.

It is not a weakly prime, because it can be changed into another prime (245248891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122624145 + 122624146.

It is an arithmetic number, because the mean of its divisors is an integer number (122624146).

Almost surely, 2^245248291 is an apocalyptic number.

245248291 is a deficient number, since it is larger than the sum of its proper divisors (1).

245248291 is an equidigital number, since it uses as much as digits as its factorization.

245248291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The square root of 245248291 is about 15660.4051991001. The cubic root of 245248291 is about 625.9437824422.

The spelling of 245248291 in words is "two hundred forty-five million, two hundred forty-eight thousand, two hundred ninety-one".