275097497 has 4 divisors (see below), whose sum is σ = 275136036. Its totient is φ = 275058960.

The previous prime is 275097463. The next prime is 275097517. The reversal of 275097497 is 794790572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 214007641 + 61089856 = 14629^2 + 7816^2 .

It is a cyclic number.

It is not a de Polignac number, because 275097497 - 2²⁰ = 274048921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275097397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5078 + ... + 23999.

It is an arithmetic number, because the mean of its divisors is an integer number (68784009).

Almost surely, 2^275097497 is an apocalyptic number.

It is an amenable number.

275097497 is a deficient number, since it is larger than the sum of its proper divisors (38539).

275097497 is an equidigital number, since it uses as much as digits as its factorization.

275097497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38538.

The product of its (nonzero) digits is 1111320, while the sum is 50.

The square root of 275097497 is about 16586.0633364280. The cubic root of 275097497 is about 650.3725651116.

The spelling of 275097497 in words is "two hundred seventy-five million, ninety-seven thousand, four hundred ninety-seven".