65199151 has 2 divisors, whose sum is σ = 65199152. Its totient is φ = 65199150.

The previous prime is 65199149. The next prime is 65199157. The reversal of 65199151 is 15199156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65199151 - 2¹ = 65199149 is a prime.

It is a super-2 number, since 2×65199151² = 8501858582241602, which contains 22 as substring.

Together with 65199149, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65199151.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65199157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32599575 + 32599576.

It is an arithmetic number, because the mean of its divisors is an integer number (32599576).

Almost surely, 2^65199151 is an apocalyptic number.

65199151 is a deficient number, since it is larger than the sum of its proper divisors (1).

65199151 is an equidigital number, since it uses as much as digits as its factorization.

65199151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12150, while the sum is 37.

The square root of 65199151 is about 8074.5991231763. The cubic root of 65199151 is about 402.4827887655.

The spelling of 65199151 in words is "sixty-five million, one hundred ninety-nine thousand, one hundred fifty-one".