42501255 has 16 divisors (see below), whose sum is σ = 68304480. Its totient is φ = 22566528.

The previous prime is 42501253. The next prime is 42501259. The reversal of 42501255 is 55210524.

It is a happy number.

It is not a de Polignac number, because 42501255 - 2¹ = 42501253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42501253) 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, 2752 + ... + 9621.

It is an arithmetic number, because the mean of its divisors is an integer number (4269030).

Almost surely, 2^42501255 is an apocalyptic number.

42501255 is a deficient number, since it is larger than the sum of its proper divisors (25803225).

42501255 is a wasteful number, since it uses less digits than its factorization.

42501255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12610.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 42501255 is about 6519.2986585982. The cubic root of 42501255 is about 348.9800373362.

Adding to 42501255 its reverse (55210524), we get a palindrome (97711779).

The spelling of 42501255 in words is "forty-two million, five hundred one thousand, two hundred fifty-five".