254051540 has 12 divisors (see below), whose sum is σ = 533508276. Its totient is φ = 101620608.

The previous prime is 254051533. The next prime is 254051543. The reversal of 254051540 is 45150452.

254051540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 145974724 + 108076816 = 12082^2 + 10396^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254051543) 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, 6351269 + ... + 6351308.

It is an arithmetic number, because the mean of its divisors is an integer number (44459023).

Almost surely, 2^254051540 is an apocalyptic number.

254051540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254051540 is an abundant number, since it is smaller than the sum of its proper divisors (279456736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

254051540 is a wasteful number, since it uses less digits than its factorization.

254051540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12702586 (or 12702584 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 254051540 is about 15938.9943221020. The cubic root of 254051540 is about 633.3453854278.

The spelling of 254051540 in words is "two hundred fifty-four million, fifty-one thousand, five hundred forty".