245380347 has 20 divisors (see below), whose sum is σ = 367123680. Its totient is φ = 163333584.

The previous prime is 245380313. The next prime is 245380349. The reversal of 245380347 is 743083542.

It is a happy number.

245380347 is a `hidden beast` number, since 245 + 380 + 34 + 7 = 666.

It is not a de Polignac number, because 245380347 - 2²⁰ = 244331771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245380349) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 60654 + ... + 64572.

It is an arithmetic number, because the mean of its divisors is an integer number (18356184).

Almost surely, 2^245380347 is an apocalyptic number.

245380347 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

245380347 is a deficient number, since it is larger than the sum of its proper divisors (121743333).

245380347 is an equidigital number, since it uses as much as digits as its factorization.

245380347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704 (or 4695 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 245380347 is about 15664.6208699732. The cubic root of 245380347 is about 626.0561105104.

The spelling of 245380347 in words is "two hundred forty-five million, three hundred eighty thousand, three hundred forty-seven".