254521542 has 64 divisors (see below), whose sum is σ = 585252864. Its totient is φ = 73038240.

The previous prime is 254521541. The next prime is 254521571. The reversal of 254521542 is 245125452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254521541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161643 + ... + 163209.

It is an arithmetic number, because the mean of its divisors is an integer number (9144576).

Almost surely, 2^254521542 is an apocalyptic number.

254521542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 254521542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292626432).

254521542 is an abundant number, since it is smaller than the sum of its proper divisors (330731322).

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

254521542 is a wasteful number, since it uses less digits than its factorization.

254521542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713.

The product of its digits is 16000, while the sum is 30.

The square root of 254521542 is about 15953.7312876957. The cubic root of 254521542 is about 633.7357133356.

Adding to 254521542 its reverse (245125452), we get a palindrome (499646994).

The spelling of 254521542 in words is "two hundred fifty-four million, five hundred twenty-one thousand, five hundred forty-two".