65260551 has 16 divisors (see below), whose sum is σ = 88208640. Its totient is φ = 42913920.

The previous prime is 65260529. The next prime is 65260553. The reversal of 65260551 is 15506256.

It is not a de Polignac number, because 65260551 - 2¹⁴ = 65244167 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65260553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105120 + ... + 105738.

It is an arithmetic number, because the mean of its divisors is an integer number (5513040).

Almost surely, 2^65260551 is an apocalyptic number.

65260551 is a deficient number, since it is larger than the sum of its proper divisors (22948089).

65260551 is a wasteful number, since it uses less digits than its factorization.

65260551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 65260551 is about 8078.4002748069. The cubic root of 65260551 is about 402.6090925052.

The spelling of 65260551 in words is "sixty-five million, two hundred sixty thousand, five hundred fifty-one".