254265643625 has 16 divisors (see below), whose sum is σ = 362655456384. Its totient is φ = 174353583600.

The previous prime is 254265643613. The next prime is 254265643627. The reversal of 254265643625 is 526346562452.

It is a happy number.

It is not a de Polignac number, because 254265643625 - 2¹⁴ = 254265627241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254265643627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145293779 + ... + 145295528.

It is an arithmetic number, because the mean of its divisors is an integer number (22665966024).

Almost surely, 2^254265643625 is an apocalyptic number.

254265643625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254265643625 is a deficient number, since it is larger than the sum of its proper divisors (108389812759).

254265643625 is an equidigital number, since it uses as much as digits as its factorization.

254265643625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290589329 (or 290589319 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 50.

The spelling of 254265643625 in words is "two hundred fifty-four billion, two hundred sixty-five million, six hundred forty-three thousand, six hundred twenty-five".