254730520 has 64 divisors (see below), whose sum is σ = 652458240. Its totient is φ = 88598400.

The previous prime is 254730479. The next prime is 254730557. The reversal of 254730520 is 25037452.

254730520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2466 + ... + 22705.

It is an arithmetic number, because the mean of its divisors is an integer number (10194660).

Almost surely, 2^254730520 is an apocalyptic number.

254730520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 254730520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326229120).

254730520 is an abundant number, since it is smaller than the sum of its proper divisors (397727720).

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

254730520 is a wasteful number, since it uses less digits than its factorization.

254730520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25216 (or 25212 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 254730520 is about 15960.2794461751. The cubic root of 254730520 is about 633.9091113528.

Adding to 254730520 its reverse (25037452), we get a palindrome (279767972).

The spelling of 254730520 in words is "two hundred fifty-four million, seven hundred thirty thousand, five hundred twenty".