275538949 has 8 divisors (see below), whose sum is σ = 316834880. Its totient is φ = 234726336.

The previous prime is 275538937. The next prime is 275538961. The reversal of 275538949 is 949835572.

It is an interprime number because it is at equal distance from previous prime (275538937) and next prime (275538961).

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 275538949 - 2⁷ = 275538821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275538896 and 275538905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275538929) 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, 119604 + ... + 121885.

It is an arithmetic number, because the mean of its divisors is an integer number (39604360).

Almost surely, 2^275538949 is an apocalyptic number.

It is an amenable number.

275538949 is a deficient number, since it is larger than the sum of its proper divisors (41295931).

275538949 is a wasteful number, since it uses less digits than its factorization.

275538949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241659.

The product of its digits is 2721600, while the sum is 52.

The square root of 275538949 is about 16599.3659216248. The cubic root of 275538949 is about 650.7202658774.

The spelling of 275538949 in words is "two hundred seventy-five million, five hundred thirty-eight thousand, nine hundred forty-nine".