68528151 has 6 divisors (see below), whose sum is σ = 98985120. Its totient is φ = 45685428.

The previous prime is 68528149. The next prime is 68528171. The reversal of 68528151 is 15182586.

It is not a de Polignac number, because 68528151 - 2¹ = 68528149 is a prime.

It is a super-2 number, since 2×68528151² = 9392214958957602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68528101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3807111 + ... + 3807128.

It is an arithmetic number, because the mean of its divisors is an integer number (16497520).

Almost surely, 2^68528151 is an apocalyptic number.

68528151 is a deficient number, since it is larger than the sum of its proper divisors (30456969).

68528151 is a wasteful number, since it uses less digits than its factorization.

68528151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7614245 (or 7614242 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 68528151 is about 8278.1731680365. The cubic root of 68528151 is about 409.2195165885.

The spelling of 68528151 in words is "sixty-eight million, five hundred twenty-eight thousand, one hundred fifty-one".