245476905 has 8 divisors (see below), whose sum is σ = 392763072. Its totient is φ = 130921008.

The previous prime is 245476901. The next prime is 245476921. The reversal of 245476905 is 509674542.

245476905 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 245476905 - 2² = 245476901 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245476901) 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, 8182549 + ... + 8182578.

It is an arithmetic number, because the mean of its divisors is an integer number (49095384).

Almost surely, 2^245476905 is an apocalyptic number.

It is an amenable number.

245476905 is a deficient number, since it is larger than the sum of its proper divisors (147286167).

245476905 is a wasteful number, since it uses less digits than its factorization.

245476905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16365135.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 245476905 is about 15667.7026075938. The cubic root of 245476905 is about 626.1382181435.

The spelling of 245476905 in words is "two hundred forty-five million, four hundred seventy-six thousand, nine hundred five".