275244939 has 16 divisors (see below), whose sum is σ = 420925440. Its totient is φ = 177576840.

The previous prime is 275244929. The next prime is 275244973. The reversal of 275244939 is 939442572.

It is not a de Polignac number, because 275244939 - 2⁴ = 275244923 is a prime.

It is a super-2 number, since 2×275244939² = 151519552890227442, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 275244894 and 275244903.

It is not an unprimeable number, because it can be changed into a prime (275244929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163587 + ... + 165260.

It is an arithmetic number, because the mean of its divisors is an integer number (26307840).

Almost surely, 2^275244939 is an apocalyptic number.

275244939 is a deficient number, since it is larger than the sum of its proper divisors (145680501).

275244939 is a wasteful number, since it uses less digits than its factorization.

275244939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328887 (or 328881 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 275244939 is about 16590.5074967585. The cubic root of 275244939 is about 650.4887361738.

The spelling of 275244939 in words is "two hundred seventy-five million, two hundred forty-four thousand, nine hundred thirty-nine".