254021265 has 24 divisors (see below), whose sum is σ = 456613248. Its totient is φ = 135477360.

The previous prime is 254021233. The next prime is 254021291. The reversal of 254021265 is 562120452.

It is not a de Polignac number, because 254021265 - 2⁵ = 254021233 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103321 + ... + 105750.

It is an arithmetic number, because the mean of its divisors is an integer number (19025552).

Almost surely, 2^254021265 is an apocalyptic number.

It is an amenable number.

254021265 is a deficient number, since it is larger than the sum of its proper divisors (202591983).

254021265 is an equidigital number, since it uses as much as digits as its factorization.

254021265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209091 (or 209079 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 254021265 is about 15938.0445789313. The cubic root of 254021265 is about 633.3202261061.

The spelling of 254021265 in words is "two hundred fifty-four million, twenty-one thousand, two hundred sixty-five".