254320520 has 16 divisors (see below), whose sum is σ = 572221260. Its totient is φ = 101728192.

The previous prime is 254320519. The next prime is 254320523. The reversal of 254320520 is 25023452.

254320520 is digitally balanced in base 2, 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 236359876 + 17960644 = 15374^2 + 4238^2 .

It is not an unprimeable number, because it can be changed into a prime (254320523) 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, 3178967 + ... + 3179046.

Almost surely, 2^254320520 is an apocalyptic number.

254320520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254320520 is an abundant number, since it is smaller than the sum of its proper divisors (317900740).

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

254320520 is a wasteful number, since it uses less digits than its factorization.

254320520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358024 (or 6358020 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 254320520 is about 15947.4298869755. The cubic root of 254320520 is about 633.5688271679.

Adding to 254320520 its reverse (25023452), we get a palindrome (279343972).

The spelling of 254320520 in words is "two hundred fifty-four million, three hundred twenty thousand, five hundred twenty".