275261146 has 16 divisors (see below), whose sum is σ = 423270144. Its totient is φ = 134182944.

The previous prime is 275261143. The next prime is 275261149. The reversal of 275261146 is 641162572.

It is an interprime number because it is at equal distance from previous prime (275261143) and next prime (275261149).

It is not an unprimeable number, because it can be changed into a prime (275261143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49566 + ... + 54838.

It is an arithmetic number, because the mean of its divisors is an integer number (26454384).

Almost surely, 2^275261146 is an apocalyptic number.

275261146 is a deficient number, since it is larger than the sum of its proper divisors (148008998).

275261146 is a wasteful number, since it uses less digits than its factorization.

275261146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5925.

The product of its digits is 20160, while the sum is 34.

The square root of 275261146 is about 16590.9959315286. The cubic root of 275261146 is about 650.5015033042.

The spelling of 275261146 in words is "two hundred seventy-five million, two hundred sixty-one thousand, one hundred forty-six".