65195651 has 2 divisors, whose sum is σ = 65195652. Its totient is φ = 65195650.

The previous prime is 65195633. The next prime is 65195677. The reversal of 65195651 is 15659156.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65195651 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65195681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32597825 + 32597826.

It is an arithmetic number, because the mean of its divisors is an integer number (32597826).

Almost surely, 2^65195651 is an apocalyptic number.

65195651 is a deficient number, since it is larger than the sum of its proper divisors (1).

65195651 is an equidigital number, since it uses as much as digits as its factorization.

65195651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 38.

The square root of 65195651 is about 8074.3823912421. The cubic root of 65195651 is about 402.4755866524.

The spelling of 65195651 in words is "sixty-five million, one hundred ninety-five thousand, six hundred fifty-one".