42451255 has 32 divisors (see below), whose sum is σ = 64447488. Its totient is φ = 26073600.

The previous prime is 42451237. The next prime is 42451291. The reversal of 42451255 is 55215424.

42451255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42451255 - 2⁷ = 42451127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26559 + ... + 28111.

It is an arithmetic number, because the mean of its divisors is an integer number (2013984).

Almost surely, 2^42451255 is an apocalyptic number.

42451255 is a deficient number, since it is larger than the sum of its proper divisors (21996233).

42451255 is a wasteful number, since it uses less digits than its factorization.

42451255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647.

The product of its digits is 8000, while the sum is 28.

The square root of 42451255 is about 6515.4627617691. The cubic root of 42451255 is about 348.8431327602.

Adding to 42451255 its reverse (55215424), we get a palindrome (97666679).

The spelling of 42451255 in words is "forty-two million, four hundred fifty-one thousand, two hundred fifty-five".