254142520 has 64 divisors (see below), whose sum is σ = 608277600. Its totient is φ = 95232000.

The previous prime is 254142491. The next prime is 254142521. The reversal of 254142520 is 25241452.

254142520 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 not an unprimeable number, because it can be changed into a prime (254142521) 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, 169936 + ... + 171424.

Almost surely, 2^254142520 is an apocalyptic number.

254142520 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 254142520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304138800).

254142520 is an abundant number, since it is smaller than the sum of its proper divisors (354135080).

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

254142520 is a wasteful number, since it uses less digits than its factorization.

254142520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 254142520 is about 15941.8480735453. The cubic root of 254142520 is about 633.4209801753.

Adding to 254142520 its reverse (25241452), we get a palindrome (279383972).

The spelling of 254142520 in words is "two hundred fifty-four million, one hundred forty-two thousand, five hundred twenty".