275251213 has 4 divisors (see below), whose sum is σ = 281652448. Its totient is φ = 268849980.

The previous prime is 275251183. The next prime is 275251217. The reversal of 275251213 is 312152572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 275251213 - 2¹³ = 275243021 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 (275251217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3200553 + ... + 3200638.

It is an arithmetic number, because the mean of its divisors is an integer number (70413112).

Almost surely, 2^275251213 is an apocalyptic number.

It is an amenable number.

275251213 is a deficient number, since it is larger than the sum of its proper divisors (6401235).

275251213 is an equidigital number, since it uses as much as digits as its factorization.

275251213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401234.

The product of its digits is 4200, while the sum is 28.

The square root of 275251213 is about 16590.6965797100. The cubic root of 275251213 is about 650.4936786024.

The spelling of 275251213 in words is "two hundred seventy-five million, two hundred fifty-one thousand, two hundred thirteen".