42153851 has 2 divisors, whose sum is σ = 42153852. Its totient is φ = 42153850.

The previous prime is 42153833. The next prime is 42153869. The reversal of 42153851 is 15835124.

It is a balanced prime because it is at equal distance from previous prime (42153833) and next prime (42153869).

It is a cyclic number.

It is not a de Polignac number, because 42153851 - 2¹⁰ = 42152827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42153451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21076925 + 21076926.

It is an arithmetic number, because the mean of its divisors is an integer number (21076926).

Almost surely, 2^42153851 is an apocalyptic number.

42153851 is a deficient number, since it is larger than the sum of its proper divisors (1).

42153851 is an equidigital number, since it uses as much as digits as its factorization.

42153851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 29.

The square root of 42153851 is about 6492.5997104396. The cubic root of 42153851 is about 348.0265839339.

Adding to 42153851 its reverse (15835124), we get a palindrome (57988975).

The spelling of 42153851 in words is "forty-two million, one hundred fifty-three thousand, eight hundred fifty-one".