42775351 has 4 divisors (see below), whose sum is σ = 43216432. Its totient is φ = 42334272.

The previous prime is 42775339. The next prime is 42775361. The reversal of 42775351 is 15357724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42775351 - 2²³ = 34386743 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 (42775361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220395 + ... + 220588.

It is an arithmetic number, because the mean of its divisors is an integer number (10804108).

Almost surely, 2^42775351 is an apocalyptic number.

42775351 is a deficient number, since it is larger than the sum of its proper divisors (441081).

42775351 is an equidigital number, since it uses as much as digits as its factorization.

42775351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441080.

The product of its digits is 29400, while the sum is 34.

The square root of 42775351 is about 6540.2867674132. The cubic root of 42775351 is about 349.7286359173.

The spelling of 42775351 in words is "forty-two million, seven hundred seventy-five thousand, three hundred fifty-one".