245609608 has 32 divisors (see below), whose sum is σ = 488943000. Its totient is φ = 115264512.

The previous prime is 245609597. The next prime is 245609629. The reversal of 245609608 is 806906542.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 245298244 + 311364 = 15662^2 + 558^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51718 + ... + 56266.

Almost surely, 2^245609608 is an apocalyptic number.

It is an amenable number.

245609608 is a deficient number, since it is larger than the sum of its proper divisors (243333392).

245609608 is a wasteful number, since it uses less digits than its factorization.

245609608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4969 (or 4965 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 245609608 is about 15671.9369575046. The cubic root of 245609608 is about 626.2510263820.

The spelling of 245609608 in words is "two hundred forty-five million, six hundred nine thousand, six hundred eight".