254240245 has 32 divisors (see below), whose sum is σ = 362142720. Its totient is φ = 167650560.

The previous prime is 254240243. The next prime is 254240297. The reversal of 254240245 is 542042452.

It is not a de Polignac number, because 254240245 - 2¹ = 254240243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254240243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 469675 + ... + 470215.

It is an arithmetic number, because the mean of its divisors is an integer number (11316960).

Almost surely, 2^254240245 is an apocalyptic number.

It is an amenable number.

254240245 is a deficient number, since it is larger than the sum of its proper divisors (107902475).

254240245 is a wasteful number, since it uses less digits than its factorization.

254240245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 254240245 is about 15944.9128250988. The cubic root of 254240245 is about 633.5021592092.

Adding to 254240245 its reverse (542042452), we get a palindrome (796282697).

The spelling of 254240245 in words is "two hundred fifty-four million, two hundred forty thousand, two hundred forty-five".