42053951 has 2 divisors, whose sum is σ = 42053952. Its totient is φ = 42053950.

The previous prime is 42053927. The next prime is 42053983. The reversal of 42053951 is 15935024.

42053951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42053951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42053051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21026975 + 21026976.

It is an arithmetic number, because the mean of its divisors is an integer number (21026976).

Almost surely, 2^42053951 is an apocalyptic number.

42053951 is a deficient number, since it is larger than the sum of its proper divisors (1).

42053951 is an equidigital number, since it uses as much as digits as its factorization.

42053951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 42053951 is about 6484.9017725791. The cubic root of 42053951 is about 347.7514381962.

Adding to 42053951 its reverse (15935024), we get a palindrome (57988975).

The spelling of 42053951 in words is "forty-two million, fifty-three thousand, nine hundred fifty-one".