245053205 has 4 divisors (see below), whose sum is σ = 294063852. Its totient is φ = 196042560.

The previous prime is 245053157. The next prime is 245053217. The reversal of 245053205 is 502350542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 155201764 + 89851441 = 12458^2 + 9479^2 .

It is not a de Polignac number, because 245053205 - 2⁶ = 245053141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 24505316 + ... + 24505325.

It is an arithmetic number, because the mean of its divisors is an integer number (73515963).

Almost surely, 2^245053205 is an apocalyptic number.

It is an amenable number.

245053205 is a deficient number, since it is larger than the sum of its proper divisors (49010647).

245053205 is an equidigital number, since it uses as much as digits as its factorization.

245053205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49010646.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 245053205 is about 15654.1753216195. The cubic root of 245053205 is about 625.7777666583. Note that the first 4 decimals are identical.

It can be divided in two parts, 2450 and 53205, that added together give a palindrome (55655).

The spelling of 245053205 in words is "two hundred forty-five million, fifty-three thousand, two hundred five".