42851527 has 2 divisors, whose sum is σ = 42851528. Its totient is φ = 42851526.

The previous prime is 42851503. The next prime is 42851537. The reversal of 42851527 is 72515824.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42851527 - 2¹¹ = 42849479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42851492 and 42851501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42851537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21425763 + 21425764.

It is an arithmetic number, because the mean of its divisors is an integer number (21425764).

Almost surely, 2^42851527 is an apocalyptic number.

42851527 is a deficient number, since it is larger than the sum of its proper divisors (1).

42851527 is an equidigital number, since it uses as much as digits as its factorization.

42851527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22400, while the sum is 34.

The square root of 42851527 is about 6546.1077748537. The cubic root of 42851527 is about 349.9361162315.

The spelling of 42851527 in words is "forty-two million, eight hundred fifty-one thousand, five hundred twenty-seven".