275037997 has 4 divisors (see below), whose sum is σ = 296194780. Its totient is φ = 253881216.

The previous prime is 275037949. The next prime is 275038003. The reversal of 275037997 is 799730572.

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 25745476 + 249292521 = 5074^2 + 15789^2 .

It is a cyclic number.

It is not a de Polignac number, because 275037997 - 2¹⁵ = 275005229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 275037997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275037907) 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, 10578372 + ... + 10578397.

It is an arithmetic number, because the mean of its divisors is an integer number (74048695).

Almost surely, 2^275037997 is an apocalyptic number.

It is an amenable number.

275037997 is a deficient number, since it is larger than the sum of its proper divisors (21156783).

275037997 is a wasteful number, since it uses less digits than its factorization.

275037997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21156782.

The product of its (nonzero) digits is 833490, while the sum is 49.

The square root of 275037997 is about 16584.2695648618. The cubic root of 275037997 is about 650.3256726968.

The spelling of 275037997 in words is "two hundred seventy-five million, thirty-seven thousand, nine hundred ninety-seven".