65520701 has 8 divisors (see below), whose sum is σ = 68269824. Its totient is φ = 62811360.

The previous prime is 65520647. The next prime is 65520709. The reversal of 65520701 is 10702556.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65520701 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 (65520709) 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, 6560 + ... + 13193.

It is an arithmetic number, because the mean of its divisors is an integer number (8533728).

Almost surely, 2^65520701 is an apocalyptic number.

It is an amenable number.

65520701 is a deficient number, since it is larger than the sum of its proper divisors (2749123).

65520701 is a wasteful number, since it uses less digits than its factorization.

65520701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19891.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 65520701 is about 8094.4858391377. The cubic root of 65520701 is about 403.1433605883.

The spelling of 65520701 in words is "sixty-five million, five hundred twenty thousand, seven hundred one".