254120045400225 has 18 divisors (see below), whose sum is σ = 455157236872806. Its totient is φ = 135530690880000.

The previous prime is 254120045400211. The next prime is 254120045400259. The reversal of 254120045400225 is 522004540021452.

254120045400225 is a `hidden beast` number, since 2 + 5 + 4 + 1 + 20 + 0 + 4 + 5 + 400 + 225 = 666.

254120045400225 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 305154598464 + 253814890801761 = 552408^2 + 15931569^2 .

It is not a de Polignac number, because 254120045400225 - 2¹³ = 254120045392033 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 254120045400225.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 564711211776 + ... + 564711212225.

Almost surely, 2^{254120045400225} is an apocalyptic number.

254120045400225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254120045400225 is a deficient number, since it is larger than the sum of its proper divisors (201037191472581).

254120045400225 is a wasteful number, since it uses less digits than its factorization.

254120045400225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129422424017 (or 1129422424009 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 254120045400225 its reverse (522004540021452), we get a palindrome (776124585421677).

The spelling of 254120045400225 in words is "two hundred fifty-four trillion, one hundred twenty billion, forty-five million, four hundred thousand, two hundred twenty-five".