65082551 has 4 divisors (see below), whose sum is σ = 65182872. Its totient is φ = 64982232.

The previous prime is 65082533. The next prime is 65082553. The reversal of 65082551 is 15528056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65082551 - 2¹⁴ = 65066167 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 (65082553) 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, 49181 + ... + 50486.

It is an arithmetic number, because the mean of its divisors is an integer number (16295718).

Almost surely, 2^65082551 is an apocalyptic number.

65082551 is a deficient number, since it is larger than the sum of its proper divisors (100321).

65082551 is an equidigital number, since it uses as much as digits as its factorization.

65082551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100320.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 65082551 is about 8067.3757195261. The cubic root of 65082551 is about 402.2427166378.

The spelling of 65082551 in words is "sixty-five million, eighty-two thousand, five hundred fifty-one".