245618959 has 2 divisors, whose sum is σ = 245618960. Its totient is φ = 245618958.

The previous prime is 245618957. The next prime is 245618969. The reversal of 245618959 is 959816542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245618959 - 2¹ = 245618957 is a prime.

Together with 245618957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245618957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122809479 + 122809480.

It is an arithmetic number, because the mean of its divisors is an integer number (122809480).

Almost surely, 2^245618959 is an apocalyptic number.

245618959 is a deficient number, since it is larger than the sum of its proper divisors (1).

245618959 is an equidigital number, since it uses as much as digits as its factorization.

245618959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 49.

The square root of 245618959 is about 15672.2352904747. The cubic root of 245618959 is about 626.2589739525.

The spelling of 245618959 in words is "two hundred forty-five million, six hundred eighteen thousand, nine hundred fifty-nine".