69231601 has 2 divisors, whose sum is σ = 69231602. Its totient is φ = 69231600.

The previous prime is 69231593. The next prime is 69231619. The reversal of 69231601 is 10613296.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58675600 + 10556001 = 7660^2 + 3249^2 .

It is a cyclic number.

It is not a de Polignac number, because 69231601 - 2³ = 69231593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69231601.

It is not a weakly prime, because it can be changed into another prime (69231661) 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 as a sum of consecutive naturals, namely, 34615800 + 34615801.

It is an arithmetic number, because the mean of its divisors is an integer number (34615801).

Almost surely, 2^69231601 is an apocalyptic number.

It is an amenable number.

69231601 is a deficient number, since it is larger than the sum of its proper divisors (1).

69231601 is an equidigital number, since it uses as much as digits as its factorization.

69231601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 69231601 is about 8320.5529263385. The cubic root of 69231601 is about 410.6149823070.

Adding to 69231601 its reverse (10613296), we get a palindrome (79844897).

The spelling of 69231601 in words is "sixty-nine million, two hundred thirty-one thousand, six hundred one".