276852385 has 4 divisors (see below), whose sum is σ = 332222868. Its totient is φ = 221481904.

The previous prime is 276852383. The next prime is 276852397. The reversal of 276852385 is 583258672.

It is a happy number.

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 125955729 + 150896656 = 11223^2 + 12284^2 .

It is a cyclic number.

It is not a de Polignac number, because 276852385 - 2¹ = 276852383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (276852383) 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, 27685234 + ... + 27685243.

It is an arithmetic number, because the mean of its divisors is an integer number (83055717).

Almost surely, 2^276852385 is an apocalyptic number.

It is an amenable number.

276852385 is a deficient number, since it is larger than the sum of its proper divisors (55370483).

276852385 is an equidigital number, since it uses as much as digits as its factorization.

276852385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55370482.

The product of its digits is 806400, while the sum is 46.

The square root of 276852385 is about 16638.8817232409. The cubic root of 276852385 is about 651.7525760532.

The spelling of 276852385 in words is "two hundred seventy-six million, eight hundred fifty-two thousand, three hundred eighty-five".