275502505 has 8 divisors (see below), whose sum is σ = 338291712. Its totient is φ = 215276208.

The previous prime is 275502503. The next prime is 275502509. The reversal of 275502505 is 505205572.

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 275502505 - 2¹ = 275502503 is a prime.

It is a super-2 number, since 2×275502505² = 151803260522550050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275502503) 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, 640489 + ... + 640918.

It is an arithmetic number, because the mean of its divisors is an integer number (42286464).

Almost surely, 2^275502505 is an apocalyptic number.

It is an amenable number.

275502505 is a deficient number, since it is larger than the sum of its proper divisors (62789207).

275502505 is a wasteful number, since it uses less digits than its factorization.

275502505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281455.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 275502505 is about 16598.2681325493. The cubic root of 275502505 is about 650.6915755657.

The spelling of 275502505 in words is "two hundred seventy-five million, five hundred two thousand, five hundred five".