275405117 has 16 divisors (see below), whose sum is σ = 315124992. Its totient is φ = 238437120.

The previous prime is 275405113. The next prime is 275405131. The reversal of 275405117 is 711504572.

It is a cyclic number.

It is not a de Polignac number, because 275405117 - 2² = 275405113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275405113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66728 + ... + 70734.

It is an arithmetic number, because the mean of its divisors is an integer number (19695312).

Almost surely, 2^275405117 is an apocalyptic number.

It is an amenable number.

275405117 is a deficient number, since it is larger than the sum of its proper divisors (39719875).

275405117 is a wasteful number, since it uses less digits than its factorization.

275405117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348.

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 275405117 is about 16595.3341936823. The cubic root of 275405117 is about 650.6148950536.

Adding to 275405117 its reverse (711504572), we get a palindrome (986909689).

The spelling of 275405117 in words is "two hundred seventy-five million, four hundred five thousand, one hundred seventeen".