254542436 has 6 divisors (see below), whose sum is σ = 445449270. Its totient is φ = 127271216.

The previous prime is 254542429. The next prime is 254542439. The reversal of 254542436 is 634245452.

It can be written as a sum of positive squares in only one way, i.e., 134420836 + 120121600 = 11594^2 + 10960^2 .

It is a junction number, because it is equal to n+sod(n) for n = 254542396 and 254542405.

It is not an unprimeable number, because it can be changed into a prime (254542439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31817801 + ... + 31817808.

It is an arithmetic number, because the mean of its divisors is an integer number (74241545).

Almost surely, 2^254542436 is an apocalyptic number.

It is an amenable number.

254542436 is a deficient number, since it is larger than the sum of its proper divisors (190906834).

254542436 is a wasteful number, since it uses less digits than its factorization.

254542436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63635613 (or 63635611 counting only the distinct ones).

The product of its digits is 115200, while the sum is 35.

The square root of 254542436 is about 15954.3861053943. The cubic root of 254542436 is about 633.7530542538.

Adding to 254542436 its reverse (634245452), we get a palindrome (888787888).

The spelling of 254542436 in words is "two hundred fifty-four million, five hundred forty-two thousand, four hundred thirty-six".