254040453 has 12 divisors (see below), whose sum is σ = 367910400. Its totient is φ = 168915816.

The previous prime is 254040421. The next prime is 254040461. The reversal of 254040453 is 354040452.

254040453 is a `hidden beast` number, since 254 + 0 + 404 + 5 + 3 = 666.

It is not a de Polignac number, because 254040453 - 2⁵ = 254040421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254040403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33403 + ... + 40296.

It is an arithmetic number, because the mean of its divisors is an integer number (30659200).

Almost surely, 2^254040453 is an apocalyptic number.

It is an amenable number.

254040453 is a deficient number, since it is larger than the sum of its proper divisors (113869947).

254040453 is a wasteful number, since it uses less digits than its factorization.

254040453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74088 (or 74085 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 254040453 is about 15938.6465234662. The cubic root of 254040453 is about 633.3361720710.

Subtracting 254040453 from its reverse (354040452), we obtain a palindrome (99999999).

The spelling of 254040453 in words is "two hundred fifty-four million, forty thousand, four hundred fifty-three".