65260705 has 8 divisors (see below), whose sum is σ = 82919592. Its totient is φ = 49137408.

The previous prime is 65260703. The next prime is 65260709. The reversal of 65260705 is 50706256.

It can be written as a sum of positive squares in 4 ways, for example, as 6155361 + 59105344 = 2481^2 + 7688^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65260705 - 2¹ = 65260703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65260703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383802 + ... + 383971.

It is an arithmetic number, because the mean of its divisors is an integer number (10364949).

Almost surely, 2^65260705 is an apocalyptic number.

It is an amenable number.

65260705 is a deficient number, since it is larger than the sum of its proper divisors (17658887).

65260705 is a wasteful number, since it uses less digits than its factorization.

65260705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767795.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 65260705 is about 8078.4098063914. The cubic root of 65260705 is about 402.6094091935.

The spelling of 65260705 in words is "sixty-five million, two hundred sixty thousand, seven hundred five".