42250255 has 8 divisors (see below), whose sum is σ = 50889024. Its totient is φ = 33674400.

The previous prime is 42250231. The next prime is 42250277. The reversal of 42250255 is 55205224.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42250255 - 2⁵ = 42250223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14236 + ... + 16945.

It is an arithmetic number, because the mean of its divisors is an integer number (6361128).

Almost surely, 2^42250255 is an apocalyptic number.

42250255 is a deficient number, since it is larger than the sum of its proper divisors (8638769).

42250255 is a wasteful number, since it uses less digits than its factorization.

42250255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31457.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 42250255 is about 6500.0196153550. The cubic root of 42250255 is about 348.2916890965.

Adding to 42250255 its reverse (55205224), we get a palindrome (97455479).

The spelling of 42250255 in words is "forty-two million, two hundred fifty thousand, two hundred fifty-five".