69145201 has 2 divisors, whose sum is σ = 69145202. Its totient is φ = 69145200.

The previous prime is 69145187. The next prime is 69145211. The reversal of 69145201 is 10254196.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39388176 + 29757025 = 6276^2 + 5455^2 .

It is a cyclic number.

It is not a de Polignac number, because 69145201 - 2⁵ = 69145169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69145201.

It is not a weakly prime, because it can be changed into another prime (69145211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34572600 + 34572601.

It is an arithmetic number, because the mean of its divisors is an integer number (34572601).

Almost surely, 2^69145201 is an apocalyptic number.

It is an amenable number.

69145201 is a deficient number, since it is larger than the sum of its proper divisors (1).

69145201 is an equidigital number, since it uses as much as digits as its factorization.

69145201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 69145201 is about 8315.3593428065. The cubic root of 69145201 is about 410.4440974196. Note that the first 3 decimals are identical.

Adding to 69145201 its reverse (10254196), we get a palindrome (79399397).

The spelling of 69145201 in words is "sixty-nine million, one hundred forty-five thousand, two hundred one".