68957153 has 2 divisors, whose sum is σ = 68957154. Its totient is φ = 68957152.

The previous prime is 68957143. The next prime is 68957171. The reversal of 68957153 is 35175986.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50225569 + 18731584 = 7087^2 + 4328^2 .

It is a cyclic number.

It is not a de Polignac number, because 68957153 - 2²⁴ = 52179937 is a prime.

It is not a weakly prime, because it can be changed into another prime (68957123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34478576 + 34478577.

It is an arithmetic number, because the mean of its divisors is an integer number (34478577).

Almost surely, 2^68957153 is an apocalyptic number.

It is an amenable number.

68957153 is a deficient number, since it is larger than the sum of its proper divisors (1).

68957153 is an equidigital number, since it uses as much as digits as its factorization.

68957153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 44.

The square root of 68957153 is about 8304.0443760857. The cubic root of 68957153 is about 410.0716769391.

The spelling of 68957153 in words is "sixty-eight million, nine hundred fifty-seven thousand, one hundred fifty-three".