254340253 has 4 divisors (see below), whose sum is σ = 254890048. Its totient is φ = 253790460.

The previous prime is 254340239. The next prime is 254340271. The reversal of 254340253 is 352043452.

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 254340253 - 2⁵ = 254340221 is a prime.

It is a super-2 number, since 2×254340253² = 129377928592208018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254340283) 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, 274203 + ... + 275128.

It is an arithmetic number, because the mean of its divisors is an integer number (63722512).

Almost surely, 2^254340253 is an apocalyptic number.

It is an amenable number.

254340253 is a deficient number, since it is larger than the sum of its proper divisors (549795).

254340253 is an equidigital number, since it uses as much as digits as its factorization.

254340253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549794.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 254340253 is about 15948.0485640093. The cubic root of 254340253 is about 633.5852131708.

The spelling of 254340253 in words is "two hundred fifty-four million, three hundred forty thousand, two hundred fifty-three".