273297825 has 18 divisors (see below), whose sum is σ = 489507174. Its totient is φ = 145758720.

The previous prime is 273297823. The next prime is 273297851. The reversal of 273297825 is 528792372.

It can be written as a sum of positive squares in 3 ways, for example, as 54287424 + 219010401 = 7368^2 + 14799^2 .

It is not a de Polignac number, because 273297825 - 2¹ = 273297823 is a prime.

It is a super-2 number, since 2×273297825² = 149383402299461250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (273297821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 607104 + ... + 607553.

It is an arithmetic number, because the mean of its divisors is an integer number (27194843).

Almost surely, 2^273297825 is an apocalyptic number.

273297825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

273297825 is a deficient number, since it is larger than the sum of its proper divisors (216209349).

273297825 is a wasteful number, since it uses less digits than its factorization.

273297825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214673 (or 1214665 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 273297825 is about 16531.7217796574. The cubic root of 273297825 is about 648.9512278530.

The spelling of 273297825 in words is "two hundred seventy-three million, two hundred ninety-seven thousand, eight hundred twenty-five".