65345254357 has 8 divisors (see below), whose sum is σ = 67630354200. Its totient is φ = 63062275584.

The previous prime is 65345254267. The next prime is 65345254393. The reversal of 65345254357 is 75345254356.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19152068881 + 46193185476 = 138391^2 + 214926^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 65345254357 - 2¹¹ = 65345252309 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 65345254357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65345251357) 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, 467448 + ... + 590929.

It is an arithmetic number, because the mean of its divisors is an integer number (8453794275).

Almost surely, 2^65345254357 is an apocalyptic number.

It is an amenable number.

65345254357 is a deficient number, since it is larger than the sum of its proper divisors (2285099843).

65345254357 is a wasteful number, since it uses less digits than its factorization.

65345254357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060535.

The product of its digits is 7560000, while the sum is 49.

Subtracting 65345254357 from its reverse (75345254356), we obtain a palindrome (9999999999).

The spelling of 65345254357 in words is "sixty-five billion, three hundred forty-five million, two hundred fifty-four thousand, three hundred fifty-seven".