275250247 has 6 divisors (see below), whose sum is σ = 292394168. Its totient is φ = 259058784.

The previous prime is 275250167. The next prime is 275250251. The reversal of 275250247 is 742052572.

It is a happy number.

It is not a de Polignac number, because 275250247 - 2⁷ = 275250119 is a prime.

It is a super-2 number, since 2×275250247² = 151525396947122018, 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 (275254247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 475923 + ... + 476500.

Almost surely, 2^275250247 is an apocalyptic number.

275250247 is a deficient number, since it is larger than the sum of its proper divisors (17143921).

275250247 is an equidigital number, since it uses as much as digits as its factorization.

275250247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952457 (or 952440 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 275250247 is about 16590.6674669828. The cubic root of 275250247 is about 650.4929176277.

The spelling of 275250247 in words is "two hundred seventy-five million, two hundred fifty thousand, two hundred forty-seven".