254399253 has 4 divisors (see below), whose sum is σ = 339199008. Its totient is φ = 169599500.

The previous prime is 254399231. The next prime is 254399261. The reversal of 254399253 is 352993452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 254399253 - 2⁵ = 254399221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254399263) 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, 42399873 + ... + 42399878.

It is an arithmetic number, because the mean of its divisors is an integer number (84799752).

Almost surely, 2^254399253 is an apocalyptic number.

It is an amenable number.

254399253 is a deficient number, since it is larger than the sum of its proper divisors (84799755).

254399253 is an equidigital number, since it uses as much as digits as its factorization.

254399253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84799754.

The product of its digits is 291600, while the sum is 42.

The square root of 254399253 is about 15949.8982128414. The cubic root of 254399253 is about 633.6342008779.

The spelling of 254399253 in words is "two hundred fifty-four million, three hundred ninety-nine thousand, two hundred fifty-three".