245205570 has 16 divisors (see below), whose sum is σ = 588493440. Its totient is φ = 65388144.

The previous prime is 245205563. The next prime is 245205589. The reversal of 245205570 is 75502542.

245205570 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 8173519 = 245205570 / (2 + 4 + 5 + 2 + 0 + 5 + 5 + 7 + 0).

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, 4086730 + ... + 4086789.

It is an arithmetic number, because the mean of its divisors is an integer number (36780840).

Almost surely, 2^245205570 is an apocalyptic number.

245205570 is an abundant number, since it is smaller than the sum of its proper divisors (343287870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245205570 is a wasteful number, since it uses less digits than its factorization.

245205570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8173529.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 245205570 is about 15659.0411583851. The cubic root of 245205570 is about 625.9074349280.

The spelling of 245205570 in words is "two hundred forty-five million, two hundred five thousand, five hundred seventy".