275213857 has 8 divisors (see below), whose sum is σ = 284898240. Its totient is φ = 265542480.

The previous prime is 275213797. The next prime is 275213863. The reversal of 275213857 is 758312572.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-275213857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275211857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62932 + ... + 67162.

It is an arithmetic number, because the mean of its divisors is an integer number (35612280).

Almost surely, 2^275213857 is an apocalyptic number.

It is an amenable number.

275213857 is a deficient number, since it is larger than the sum of its proper divisors (9684383).

275213857 is a wasteful number, since it uses less digits than its factorization.

275213857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6503.

The product of its digits is 117600, while the sum is 40.

The square root of 275213857 is about 16589.5707298290. The cubic root of 275213857 is about 650.4642497993.

The spelling of 275213857 in words is "two hundred seventy-five million, two hundred thirteen thousand, eight hundred fifty-seven".