265825873 has 4 divisors (see below), whose sum is σ = 266509620. Its totient is φ = 265142128.

The previous prime is 265825867. The next prime is 265825877. The reversal of 265825873 is 378528562.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73393489 + 192432384 = 8567^2 + 13872^2 .

It is a cyclic number.

It is not a de Polignac number, because 265825873 - 2²⁵ = 232271441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265825877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341290 + ... + 342067.

It is an arithmetic number, because the mean of its divisors is an integer number (66627405).

Almost surely, 2^265825873 is an apocalyptic number.

It is an amenable number.

265825873 is a deficient number, since it is larger than the sum of its proper divisors (683747).

265825873 is an equidigital number, since it uses as much as digits as its factorization.

265825873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683746.

The product of its digits is 806400, while the sum is 46.

The square root of 265825873 is about 16304.1673507113. The cubic root of 265825873 is about 642.9823963796.

The spelling of 265825873 in words is "two hundred sixty-five million, eight hundred twenty-five thousand, eight hundred seventy-three".