253342065 has 32 divisors (see below), whose sum is σ = 410417280. Its totient is φ = 133438976.

The previous prime is 253342043. The next prime is 253342073. The reversal of 253342065 is 560243352.

It is a cyclic number.

It is not a de Polignac number, because 253342065 - 2⁷ = 253341937 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604426 + ... + 604844.

It is an arithmetic number, because the mean of its divisors is an integer number (12825540).

Almost surely, 2^253342065 is an apocalyptic number.

It is an amenable number.

253342065 is a deficient number, since it is larger than the sum of its proper divisors (157075215).

253342065 is a wasteful number, since it uses less digits than its factorization.

253342065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 253342065 is about 15916.7228096741. The cubic root of 253342065 is about 632.7552667824.

The spelling of 253342065 in words is "two hundred fifty-three million, three hundred forty-two thousand, sixty-five".