65380851 has 12 divisors (see below), whose sum is σ = 97937112. Its totient is φ = 43587072.

The previous prime is 65380849. The next prime is 65380897. The reversal of 65380851 is 15808356.

It is not a de Polignac number, because 65380851 - 2¹ = 65380849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65380801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134286 + ... + 134771.

It is an arithmetic number, because the mean of its divisors is an integer number (8161426).

Almost surely, 2^65380851 is an apocalyptic number.

65380851 is a deficient number, since it is larger than the sum of its proper divisors (32556261).

65380851 is an equidigital number, since it uses as much as digits as its factorization.

65380851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269072 (or 269060 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 65380851 is about 8085.8426277043. The cubic root of 65380851 is about 402.8563278455.

The spelling of 65380851 in words is "sixty-five million, three hundred eighty thousand, eight hundred fifty-one".