275250390 has 16 divisors (see below), whose sum is σ = 660601008. Its totient is φ = 73400096.

The previous prime is 275250379. The next prime is 275250413. The reversal of 275250390 is 93052572.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4587477 + ... + 4587536.

It is an arithmetic number, because the mean of its divisors is an integer number (41287563).

Almost surely, 2^275250390 is an apocalyptic number.

275250390 is an abundant number, since it is smaller than the sum of its proper divisors (385350618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

275250390 is a wasteful number, since it uses less digits than its factorization.

275250390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9175023.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 275250390 is about 16590.6717766340. The cubic root of 275250390 is about 650.4930302772.

The spelling of 275250390 in words is "two hundred seventy-five million, two hundred fifty thousand, three hundred ninety".