42500253 has 8 divisors (see below), whose sum is σ = 56936416. Its totient is φ = 28198800.

The previous prime is 42500239. The next prime is 42500273. The reversal of 42500253 is 35200524.

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

It is not a de Polignac number, because 42500253 - 2⁹ = 42499741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42500203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32938 + ... + 34203.

It is an arithmetic number, because the mean of its divisors is an integer number (7117052).

Almost surely, 2^42500253 is an apocalyptic number.

It is an amenable number.

42500253 is a deficient number, since it is larger than the sum of its proper divisors (14436163).

42500253 is a wasteful number, since it uses less digits than its factorization.

42500253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67355.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 42500253 is about 6519.2218093880. The cubic root of 42500253 is about 348.9772948231.

Adding to 42500253 its reverse (35200524), we get a palindrome (77700777).

The spelling of 42500253 in words is "forty-two million, five hundred thousand, two hundred fifty-three".