275520349 has 8 divisors (see below), whose sum is σ = 312331040. Its totient is φ = 240940656.

The previous prime is 275520331. The next prime is 275520353. The reversal of 275520349 is 943025572.

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 275520349 - 2⁵ = 275520317 is a prime.

It is a super-2 number, since 2×275520349² = 151822925426163602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275521349) 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, 557487 + ... + 557980.

It is an arithmetic number, because the mean of its divisors is an integer number (39041380).

Almost surely, 2^275520349 is an apocalyptic number.

It is an amenable number.

275520349 is a deficient number, since it is larger than the sum of its proper divisors (36810691).

275520349 is a wasteful number, since it uses less digits than its factorization.

275520349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115499.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 275520349 is about 16598.8056498050. The cubic root of 275520349 is about 650.7056234595.

It can be divided in two parts, 2755 and 20349, that added together give a square (23104 = 152²).

The spelling of 275520349 in words is "two hundred seventy-five million, five hundred twenty thousand, three hundred forty-nine".