68531001 has 32 divisors (see below), whose sum is σ = 114487296. Its totient is φ = 35424000.

The previous prime is 68530963. The next prime is 68531033. The reversal of 68531001 is 10013586.

It is not a de Polignac number, because 68531001 - 2⁶ = 68530937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68531041) 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 31 ways as a sum of consecutive naturals, for example, 55056 + ... + 56286.

It is an arithmetic number, because the mean of its divisors is an integer number (3577728).

Almost surely, 2^68531001 is an apocalyptic number.

It is an amenable number.

68531001 is a deficient number, since it is larger than the sum of its proper divisors (45956295).

68531001 is a wasteful number, since it uses less digits than its factorization.

68531001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 68531001 is about 8278.3453056755. The cubic root of 68531001 is about 409.2251894856.

Adding to 68531001 its reverse (10013586), we get a palindrome (78544587).

The spelling of 68531001 in words is "sixty-eight million, five hundred thirty-one thousand, one".