275642331 has 8 divisors (see below), whose sum is σ = 367811664. Its totient is φ = 183617280.

The previous prime is 275642321. The next prime is 275642371. The reversal of 275642331 is 133246572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 275642331 - 2⁵ = 275642299 is a prime.

It is a super-2 number, since 2×275642331² = 151957389278227122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 275642292 and 275642301.

It is not an unprimeable number, because it can be changed into a prime (275642321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31530 + ... + 39311.

It is an arithmetic number, because the mean of its divisors is an integer number (45976458).

Almost surely, 2^275642331 is an apocalyptic number.

275642331 is a deficient number, since it is larger than the sum of its proper divisors (92169333).

275642331 is a wasteful number, since it uses less digits than its factorization.

275642331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72141.

The product of its digits is 30240, while the sum is 33.

The square root of 275642331 is about 16602.4796641947. The cubic root of 275642331 is about 650.8016389476.

The spelling of 275642331 in words is "two hundred seventy-five million, six hundred forty-two thousand, three hundred thirty-one".