65402741 has 4 divisors (see below), whose sum is σ = 65436000. Its totient is φ = 65369484.

The previous prime is 65402737. The next prime is 65402759. The reversal of 65402741 is 14720456.

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 not a de Polignac number, because 65402741 - 2² = 65402737 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 (65402761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13481 + ... + 17678.

It is an arithmetic number, because the mean of its divisors is an integer number (16359000).

Almost surely, 2^65402741 is an apocalyptic number.

It is an amenable number.

65402741 is a deficient number, since it is larger than the sum of its proper divisors (33259).

65402741 is a wasteful number, since it uses less digits than its factorization.

65402741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33258.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 65402741 is about 8087.1961148472. The cubic root of 65402741 is about 402.9012826036.

The spelling of 65402741 in words is "sixty-five million, four hundred two thousand, seven hundred forty-one".