245252305 has 16 divisors (see below), whose sum is σ = 298007424. Its totient is φ = 193747840.

The previous prime is 245252299. The next prime is 245252309. The reversal of 245252305 is 503252542.

It is not a de Polignac number, because 245252305 - 2³ = 245252297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245252309) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 151812 + ... + 153418.

It is an arithmetic number, because the mean of its divisors is an integer number (18625464).

Almost surely, 2^245252305 is an apocalyptic number.

It is an amenable number.

245252305 is a deficient number, since it is larger than the sum of its proper divisors (52755119).

245252305 is a wasteful number, since it uses less digits than its factorization.

245252305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 245252305 is about 15660.5333561792. The cubic root of 245252305 is about 625.9471973822.

The spelling of 245252305 in words is "two hundred forty-five million, two hundred fifty-two thousand, three hundred five".