65877253 has 4 divisors (see below), whose sum is σ = 70944748. Its totient is φ = 60809760.

The previous prime is 65877239. The next prime is 65877257. The reversal of 65877253 is 35277856.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13198689 + 52678564 = 3633^2 + 7258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65877253 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 (65877257) 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, 2533728 + ... + 2533753.

It is an arithmetic number, because the mean of its divisors is an integer number (17736187).

Almost surely, 2^65877253 is an apocalyptic number.

It is an amenable number.

65877253 is a deficient number, since it is larger than the sum of its proper divisors (5067495).

65877253 is a wasteful number, since it uses less digits than its factorization.

65877253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067494.

The product of its digits is 352800, while the sum is 43.

The square root of 65877253 is about 8116.4803332479. The cubic root of 65877253 is about 403.8733162413.

The spelling of 65877253 in words is "sixty-five million, eight hundred seventy-seven thousand, two hundred fifty-three".