254520005 has 32 divisors (see below), whose sum is σ = 333849600. Its totient is φ = 185518080.

The previous prime is 254519987. The next prime is 254520011. The reversal of 254520005 is 500025452.

It is not a de Polignac number, because 254520005 - 2¹⁰ = 254518981 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 693332 + ... + 693698.

It is an arithmetic number, because the mean of its divisors is an integer number (10432800).

Almost surely, 2^254520005 is an apocalyptic number.

It is an amenable number.

254520005 is a deficient number, since it is larger than the sum of its proper divisors (79329595).

254520005 is a wasteful number, since it uses less digits than its factorization.

254520005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 254520005 is about 15953.6831170736. The cubic root of 254520005 is about 633.7344376692.

Adding to 254520005 its reverse (500025452), we get a palindrome (754545457).

The spelling of 254520005 in words is "two hundred fifty-four million, five hundred twenty thousand, five".