42051151 has 2 divisors, whose sum is σ = 42051152. Its totient is φ = 42051150.

The previous prime is 42051091. The next prime is 42051157. The reversal of 42051151 is 15115024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42051151 - 2²¹ = 39953999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42051157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21025575 + 21025576.

It is an arithmetic number, because the mean of its divisors is an integer number (21025576).

Almost surely, 2^42051151 is an apocalyptic number.

42051151 is a deficient number, since it is larger than the sum of its proper divisors (1).

42051151 is an equidigital number, since it uses as much as digits as its factorization.

42051151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 42051151 is about 6484.6858829091. The cubic root of 42051151 is about 347.7437201292.

Adding to 42051151 its reverse (15115024), we get a palindrome (57166175).

It can be divided in two parts, 4205 and 1151, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 42051151 in words is "forty-two million, fifty-one thousand, one hundred fifty-one".