42522611 has 2 divisors, whose sum is σ = 42522612. Its totient is φ = 42522610.

The previous prime is 42522581. The next prime is 42522677. The reversal of 42522611 is 11622524.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42522611 - 2¹⁸ = 42260467 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42522811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21261305 + 21261306.

It is an arithmetic number, because the mean of its divisors is an integer number (21261306).

Almost surely, 2^42522611 is an apocalyptic number.

42522611 is a deficient number, since it is larger than the sum of its proper divisors (1).

42522611 is an equidigital number, since it uses as much as digits as its factorization.

42522611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 23.

The square root of 42522611 is about 6520.9363591435. The cubic root of 42522611 is about 349.0384792946.

The spelling of 42522611 in words is "forty-two million, five hundred twenty-two thousand, six hundred eleven".