245205860 has 12 divisors (see below), whose sum is σ = 514932348. Its totient is φ = 98082336.

The previous prime is 245205853. The next prime is 245205893. The reversal of 245205860 is 68502542.

It can be written as a sum of positive squares in 2 ways, for example, as 177209344 + 67996516 = 13312^2 + 8246^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6130127 + ... + 6130166.

It is an arithmetic number, because the mean of its divisors is an integer number (42911029).

Almost surely, 2^245205860 is an apocalyptic number.

245205860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245205860 is an abundant number, since it is smaller than the sum of its proper divisors (269726488).

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

245205860 is a wasteful number, since it uses less digits than its factorization.

245205860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12260302 (or 12260300 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 245205860 is about 15659.0504182086. The cubic root of 245205860 is about 625.9076816775.

The spelling of 245205860 in words is "two hundred forty-five million, two hundred five thousand, eight hundred sixty".