245879671 has 2 divisors, whose sum is σ = 245879672. Its totient is φ = 245879670.

The previous prime is 245879659. The next prime is 245879707. The reversal of 245879671 is 176978542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245879671 - 2⁹ = 245879159 is a prime.

It is a super-2 number, since 2×245879671² = 120913625222136482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245879971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122939835 + 122939836.

It is an arithmetic number, because the mean of its divisors is an integer number (122939836).

Almost surely, 2^245879671 is an apocalyptic number.

245879671 is a deficient number, since it is larger than the sum of its proper divisors (1).

245879671 is an equidigital number, since it uses as much as digits as its factorization.

245879671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 49.

The square root of 245879671 is about 15680.5507237469. The cubic root of 245879671 is about 626.4804762551.

The spelling of 245879671 in words is "two hundred forty-five million, eight hundred seventy-nine thousand, six hundred seventy-one".