245081679 has 16 divisors (see below), whose sum is σ = 330657792. Its totient is φ = 161457408.

The previous prime is 245081657. The next prime is 245081687. The reversal of 245081679 is 976180542.

It is not a de Polignac number, because 245081679 - 2⁵ = 245081647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245081679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245081479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106687 + ... + 108959.

It is an arithmetic number, because the mean of its divisors is an integer number (20666112).

Almost surely, 2^245081679 is an apocalyptic number.

245081679 is a deficient number, since it is larger than the sum of its proper divisors (85576113).

245081679 is a wasteful number, since it uses less digits than its factorization.

245081679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 245081679 is about 15655.0847650212. The cubic root of 245081679 is about 625.8020031719.

The spelling of 245081679 in words is "two hundred forty-five million, eighty-one thousand, six hundred seventy-nine".