42500311 has 8 divisors (see below), whose sum is σ = 49297280. Its totient is φ = 35884728.

The previous prime is 42500303. The next prime is 42500333. The reversal of 42500311 is 11300524.

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

It is a cyclic number.

It is not a de Polignac number, because 42500311 - 2³ = 42500303 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 (42500351) 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, 44841 + ... + 45778.

It is an arithmetic number, because the mean of its divisors is an integer number (6162160).

Almost surely, 2^42500311 is an apocalyptic number.

42500311 is a deficient number, since it is larger than the sum of its proper divisors (6796969).

42500311 is an equidigital number, since it uses as much as digits as its factorization.

42500311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90693.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 42500311 is about 6519.2262577702. The cubic root of 42500311 is about 348.9774535726.

Adding to 42500311 its reverse (11300524), we get a palindrome (53800835).

The spelling of 42500311 in words is "forty-two million, five hundred thousand, three hundred eleven".