65214157 has 2 divisors, whose sum is σ = 65214158. Its totient is φ = 65214156.

The previous prime is 65214113. The next prime is 65214169. The reversal of 65214157 is 75141256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37871716 + 27342441 = 6154^2 + 5229^2 .

It is a cyclic number.

It is not a de Polignac number, because 65214157 - 2¹¹ = 65212109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65214197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32607078 + 32607079.

It is an arithmetic number, because the mean of its divisors is an integer number (32607079).

Almost surely, 2^65214157 is an apocalyptic number.

It is an amenable number.

65214157 is a deficient number, since it is larger than the sum of its proper divisors (1).

65214157 is an equidigital number, since it uses as much as digits as its factorization.

65214157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 31.

The square root of 65214157 is about 8075.5282799331. The cubic root of 65214157 is about 402.5136643896.

The spelling of 65214157 in words is "sixty-five million, two hundred fourteen thousand, one hundred fifty-seven".