275340487 has 4 divisors (see below), whose sum is σ = 275390920. Its totient is φ = 275290056.

The previous prime is 275340479. The next prime is 275340511. The reversal of 275340487 is 784043572.

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

It is a cyclic number.

It is not a de Polignac number, because 275340487 - 2³ = 275340479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275340407) 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, 15873 + ... + 28330.

It is an arithmetic number, because the mean of its divisors is an integer number (68847730).

Almost surely, 2^275340487 is an apocalyptic number.

275340487 is a deficient number, since it is larger than the sum of its proper divisors (50433).

275340487 is an equidigital number, since it uses as much as digits as its factorization.

275340487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50432.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 275340487 is about 16593.3868453670. The cubic root of 275340487 is about 650.5639972697.

The spelling of 275340487 in words is "two hundred seventy-five million, three hundred forty thousand, four hundred eighty-seven".