42114551 has 2 divisors, whose sum is σ = 42114552. Its totient is φ = 42114550.

The previous prime is 42114539. The next prime is 42114557. The reversal of 42114551 is 15541124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42114551 - 2¹⁰ = 42113527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42114557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21057275 + 21057276.

It is an arithmetic number, because the mean of its divisors is an integer number (21057276).

Almost surely, 2^42114551 is an apocalyptic number.

42114551 is a deficient number, since it is larger than the sum of its proper divisors (1).

42114551 is an equidigital number, since it uses as much as digits as its factorization.

42114551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 800, while the sum is 23.

The square root of 42114551 is about 6489.5724820669. The cubic root of 42114551 is about 347.9183953412.

Adding to 42114551 its reverse (15541124), we get a palindrome (57655675).

The spelling of 42114551 in words is "forty-two million, one hundred fourteen thousand, five hundred fifty-one".