725273 has 2 divisors, whose sum is σ = 725274. Its totient is φ = 725272.

The previous prime is 725209. The next prime is 725293. The reversal of 725273 is 372527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 620944 + 104329 = 788^2 + 323^2 .

It is a cyclic number.

It is not a de Polignac number, because 725273 - 2⁶ = 725209 is a prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (725293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362636 + 362637.

It is an arithmetic number, because the mean of its divisors is an integer number (362637).

2⁷²⁵²⁷³ is an apocalyptic number.

It is an amenable number.

725273 is a deficient number, since it is larger than the sum of its proper divisors (1).

725273 is an equidigital number, since it uses as much as digits as its factorization.

725273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2940, while the sum is 26.

The square root of 725273 is about 851.6296143277. The cubic root of 725273 is about 89.8463633947.

The spelling of 725273 in words is "seven hundred twenty-five thousand, two hundred seventy-three".