253251205 has 8 divisors (see below), whose sum is σ = 305838072. Its totient is φ = 201309888.

The previous prime is 253251203. The next prime is 253251221. The reversal of 253251205 is 502152352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8579041 + 244672164 = 2929^2 + 15642^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253251205 - 2¹ = 253251203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253251205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253251203) 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 7 ways as a sum of consecutive naturals, for example, 160522 + ... + 162091.

It is an arithmetic number, because the mean of its divisors is an integer number (38229759).

Almost surely, 2^253251205 is an apocalyptic number.

It is an amenable number.

253251205 is a deficient number, since it is larger than the sum of its proper divisors (52586867).

253251205 is a wasteful number, since it uses less digits than its factorization.

253251205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322775.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 253251205 is about 15913.8683229440. The cubic root of 253251205 is about 632.6796127873.

The spelling of 253251205 in words is "two hundred fifty-three million, two hundred fifty-one thousand, two hundred five".