42505254 has 24 divisors (see below), whose sum is σ = 100467432. Its totient is φ = 12880320.

The previous prime is 42505231. The next prime is 42505277. The reversal of 42505254 is 45250524.

It is an interprime number because it is at equal distance from previous prime (42505231) and next prime (42505277).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107139 + ... + 107534.

It is an arithmetic number, because the mean of its divisors is an integer number (4186143).

Almost surely, 2^42505254 is an apocalyptic number.

42505254 is an abundant number, since it is smaller than the sum of its proper divisors (57962178).

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

42505254 is a wasteful number, since it uses less digits than its factorization.

42505254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214692 (or 214689 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 42505254 is about 6519.6053561546. The cubic root of 42505254 is about 348.9909823260.

Adding to 42505254 its reverse (45250524), we get a palindrome (87755778).

The spelling of 42505254 in words is "forty-two million, five hundred five thousand, two hundred fifty-four".