68352153 has 4 divisors (see below), whose sum is σ = 91136208. Its totient is φ = 45568100.

The previous prime is 68352133. The next prime is 68352173. The reversal of 68352153 is 35125386.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (68352133) and next prime (68352173).

It is a cyclic number.

It is not a de Polignac number, because 68352153 - 2⁹ = 68351641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68352133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11392023 + ... + 11392028.

It is an arithmetic number, because the mean of its divisors is an integer number (22784052).

Almost surely, 2^68352153 is an apocalyptic number.

It is an amenable number.

68352153 is a deficient number, since it is larger than the sum of its proper divisors (22784055).

68352153 is a wasteful number, since it uses less digits than its factorization.

68352153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22784054.

The product of its digits is 21600, while the sum is 33.

The square root of 68352153 is about 8267.5360900331. The cubic root of 68352153 is about 408.8688890949.

The spelling of 68352153 in words is "sixty-eight million, three hundred fifty-two thousand, one hundred fifty-three".