65526257 has 4 divisors (see below), whose sum is σ = 65634816. Its totient is φ = 65417700.

The previous prime is 65526233. The next prime is 65526271. The reversal of 65526257 is 75262556.

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 65526257 - 2¹⁰ = 65525233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65526257.

It is not an unprimeable number, because it can be changed into a prime (65526217) 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, 53369 + ... + 54582.

It is an arithmetic number, because the mean of its divisors is an integer number (16408704).

Almost surely, 2^65526257 is an apocalyptic number.

It is an amenable number.

65526257 is a deficient number, since it is larger than the sum of its proper divisors (108559).

65526257 is a wasteful number, since it uses less digits than its factorization.

65526257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108558.

The product of its digits is 126000, while the sum is 38.

The square root of 65526257 is about 8094.8290284601. The cubic root of 65526257 is about 403.1547554664.

The spelling of 65526257 in words is "sixty-five million, five hundred twenty-six thousand, two hundred fifty-seven".