273737025 has 27 divisors (see below), whose sum is σ = 490738339. Its totient is φ = 145860720.

The previous prime is 273736987. The next prime is 273737029. The reversal of 273737025 is 520737372.

The square root of 273737025 is 16545.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 98545329 + 175191696 = 9927^2 + 13236^2 .

It is not a de Polignac number, because 273737025 - 2⁹ = 273736513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (273737029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 247624 + ... + 248726.

Almost surely, 2^273737025 is an apocalyptic number.

273737025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

273737025 is the 16545-th square number.

273737025 is the 8273-rd centered octagonal number.

It is an amenable number.

273737025 is a deficient number, since it is larger than the sum of its proper divisors (217001314).

273737025 is an equidigital number, since it uses as much as digits as its factorization.

273737025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 36.

The cubic root of 273737025 is about 649.2986715699.

Multiplying 273737025 by its sum of digits (36), we get a square (9854532900 = 99270²).

The spelling of 273737025 in words is "two hundred seventy-three million, seven hundred thirty-seven thousand, twenty-five".