65522513 has 8 divisors (see below), whose sum is σ = 77465280. Its totient is φ = 54225360.

The previous prime is 65522489. The next prime is 65522531. The reversal of 65522513 is 31522556.

It is a happy number.

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

It is not a de Polignac number, because 65522513 - 2¹⁶ = 65456977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65522533) 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, 161183 + ... + 161588.

It is an arithmetic number, because the mean of its divisors is an integer number (9683160).

Almost surely, 2^65522513 is an apocalyptic number.

It is an amenable number.

65522513 is a deficient number, since it is larger than the sum of its proper divisors (11942767).

65522513 is a wasteful number, since it uses less digits than its factorization.

65522513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322807.

The product of its digits is 9000, while the sum is 29.

The square root of 65522513 is about 8094.5977664119. The cubic root of 65522513 is about 403.1470769153.

The spelling of 65522513 in words is "sixty-five million, five hundred twenty-two thousand, five hundred thirteen".