65832149 has 2 divisors, whose sum is σ = 65832150. Its totient is φ = 65832148.

The previous prime is 65832121. The next prime is 65832167. The reversal of 65832149 is 94123856.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38217124 + 27615025 = 6182^2 + 5255^2 .

It is a cyclic number.

It is not a de Polignac number, because 65832149 - 2¹² = 65828053 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65892149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32916074 + 32916075.

It is an arithmetic number, because the mean of its divisors is an integer number (32916075).

Almost surely, 2^65832149 is an apocalyptic number.

It is an amenable number.

65832149 is a deficient number, since it is larger than the sum of its proper divisors (1).

65832149 is an equidigital number, since it uses as much as digits as its factorization.

65832149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 65832149 is about 8113.7013132109. The cubic root of 65832149 is about 403.7811222483.

The spelling of 65832149 in words is "sixty-five million, eight hundred thirty-two thousand, one hundred forty-nine".