42881351 has 4 divisors (see below), whose sum is σ = 42894912. Its totient is φ = 42867792.

The previous prime is 42881329. The next prime is 42881359. The reversal of 42881351 is 15318824.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 42881351 - 2⁶ = 42881287 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 (42881359) 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, 755 + ... + 9291.

It is an arithmetic number, because the mean of its divisors is an integer number (10723728).

Almost surely, 2^42881351 is an apocalyptic number.

42881351 is a deficient number, since it is larger than the sum of its proper divisors (13561).

42881351 is an equidigital number, since it uses as much as digits as its factorization.

42881351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13560.

The product of its digits is 7680, while the sum is 32.

The square root of 42881351 is about 6548.3853735100. The cubic root of 42881351 is about 350.0172807794.

The spelling of 42881351 in words is "forty-two million, eight hundred eighty-one thousand, three hundred fifty-one".