275387313 has 8 divisors (see below), whose sum is σ = 369648000. Its totient is φ = 182359088.

The previous prime is 275387309. The next prime is 275387327. The reversal of 275387313 is 313783572.

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 not a de Polignac number, because 275387313 - 2² = 275387309 is a prime.

It is a super-2 number, since 2×275387313² = 151676344322719938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (275387513) 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, 307593 + ... + 308486.

It is an arithmetic number, because the mean of its divisors is an integer number (46206000).

Almost surely, 2^275387313 is an apocalyptic number.

It is an amenable number.

275387313 is a deficient number, since it is larger than the sum of its proper divisors (94260687).

275387313 is a wasteful number, since it uses less digits than its factorization.

275387313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616231.

The product of its digits is 105840, while the sum is 39.

The square root of 275387313 is about 16594.7977691806. The cubic root of 275387313 is about 650.6008747414.

The spelling of 275387313 in words is "two hundred seventy-five million, three hundred eighty-seven thousand, three hundred thirteen".