42015527 has 2 divisors, whose sum is σ = 42015528. Its totient is φ = 42015526.

The previous prime is 42015487. The next prime is 42015539. The reversal of 42015527 is 72551024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42015527 - 2⁸ = 42015271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42015496 and 42015505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42018527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21007763 + 21007764.

It is an arithmetic number, because the mean of its divisors is an integer number (21007764).

Almost surely, 2^42015527 is an apocalyptic number.

42015527 is a deficient number, since it is larger than the sum of its proper divisors (1).

42015527 is an equidigital number, since it uses as much as digits as its factorization.

42015527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 42015527 is about 6481.9385217695. The cubic root of 42015527 is about 347.6454943427.

The spelling of 42015527 in words is "forty-two million, fifteen thousand, five hundred twenty-seven".