253340245 has 16 divisors (see below), whose sum is σ = 307359360. Its totient is φ = 200449600.

The previous prime is 253340233. The next prime is 253340249. The reversal of 253340245 is 542043352.

It is not a de Polignac number, because 253340245 - 2⁷ = 253340117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253340249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301536 + ... + 302374.

It is an arithmetic number, because the mean of its divisors is an integer number (19209960).

Almost surely, 2^253340245 is an apocalyptic number.

It is an amenable number.

253340245 is a deficient number, since it is larger than the sum of its proper divisors (54019115).

253340245 is a wasteful number, since it uses less digits than its factorization.

253340245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 253340245 is about 15916.6656369982. The cubic root of 253340245 is about 632.7537515486.

Adding to 253340245 its reverse (542043352), we get a palindrome (795383597).

It can be divided in two parts, 2533 and 40245, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 253340245 in words is "two hundred fifty-three million, three hundred forty thousand, two hundred forty-five".