65382149 has 4 divisors (see below), whose sum is σ = 74722464. Its totient is φ = 56041836.

The previous prime is 65382143. The next prime is 65382181. The reversal of 65382149 is 94128356.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65382149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65382143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4670147 + ... + 4670160.

It is an arithmetic number, because the mean of its divisors is an integer number (18680616).

Almost surely, 2^65382149 is an apocalyptic number.

It is an amenable number.

65382149 is a deficient number, since it is larger than the sum of its proper divisors (9340315).

65382149 is an equidigital number, since it uses as much as digits as its factorization.

65382149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9340314.

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

The square root of 65382149 is about 8085.9228910496. The cubic root of 65382149 is about 402.8589937843.

The spelling of 65382149 in words is "sixty-five million, three hundred eighty-two thousand, one hundred forty-nine".