245978635 has 8 divisors (see below), whose sum is σ = 337342176. Its totient is φ = 168671040.

The previous prime is 245978633. The next prime is 245978653. The reversal of 245978635 is 536879542.

245978635 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245978635 - 2¹ = 245978633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245978633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3513946 + ... + 3514015.

It is an arithmetic number, because the mean of its divisors is an integer number (42167772).

Almost surely, 2^245978635 is an apocalyptic number.

245978635 is a deficient number, since it is larger than the sum of its proper divisors (91363541).

245978635 is an equidigital number, since it uses as much as digits as its factorization.

245978635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027973.

The product of its digits is 1814400, while the sum is 49.

The square root of 245978635 is about 15683.7060352456. The cubic root of 245978635 is about 626.5645155977.

The spelling of 245978635 in words is "two hundred forty-five million, nine hundred seventy-eight thousand, six hundred thirty-five".