69216241 has 4 divisors (see below), whose sum is σ = 70904484. Its totient is φ = 67528000.

The previous prime is 69216239. The next prime is 69216253. The reversal of 69216241 is 14261296.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29160000 + 40056241 = 5400^2 + 6329^2 .

It is a cyclic number.

It is not a de Polignac number, because 69216241 - 2¹ = 69216239 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69216271) 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 3 ways as a sum of consecutive naturals, for example, 844060 + ... + 844141.

It is an arithmetic number, because the mean of its divisors is an integer number (17726121).

Almost surely, 2^69216241 is an apocalyptic number.

It is an amenable number.

69216241 is a deficient number, since it is larger than the sum of its proper divisors (1688243).

69216241 is a wasteful number, since it uses less digits than its factorization.

69216241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688242.

The product of its digits is 5184, while the sum is 31.

The square root of 69216241 is about 8319.6298595551. The cubic root of 69216241 is about 410.5846131667.

The spelling of 69216241 in words is "sixty-nine million, two hundred sixteen thousand, two hundred forty-one".