69040901 has 2 divisors, whose sum is σ = 69040902. Its totient is φ = 69040900.

The previous prime is 69040891. The next prime is 69040903. The reversal of 69040901 is 10904096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65529025 + 3511876 = 8095^2 + 1874^2 .

It is a cyclic number.

It is not a de Polignac number, because 69040901 - 2¹⁰ = 69039877 is a prime.

Together with 69040903, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_4064924 and since 69040901 and 4064924 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69040903) 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 as a sum of consecutive naturals, namely, 34520450 + 34520451.

It is an arithmetic number, because the mean of its divisors is an integer number (34520451).

Almost surely, 2^69040901 is an apocalyptic number.

It is an amenable number.

69040901 is a deficient number, since it is larger than the sum of its proper divisors (1).

69040901 is an equidigital number, since it uses as much as digits as its factorization.

69040901 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 29.

The square root of 69040901 is about 8309.0854490732. The cubic root of 69040901 is about 410.2376195460.

Adding to 69040901 its reverse (10904096), we get a palindrome (79944997).

The spelling of 69040901 in words is "sixty-nine million, forty thousand, nine hundred one".