40522061 has 2 divisors, whose sum is σ = 40522062. Its totient is φ = 40522060.

The previous prime is 40521989. The next prime is 40522073. The reversal of 40522061 is 16022504.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40513225 + 8836 = 6365^2 + 94^2 .

It is a cyclic number.

It is not a de Polignac number, because 40522061 - 2¹⁰ = 40521037 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40522091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20261030 + 20261031.

It is an arithmetic number, because the mean of its divisors is an integer number (20261031).

Almost surely, 2^40522061 is an apocalyptic number.

It is an amenable number.

40522061 is a deficient number, since it is larger than the sum of its proper divisors (1).

40522061 is an equidigital number, since it uses as much as digits as its factorization.

40522061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40522061 is about 6365.6940705629. The cubic root of 40522061 is about 343.4766158696.

Adding to 40522061 its reverse (16022504), we get a palindrome (56544565).

The spelling of 40522061 in words is "forty million, five hundred twenty-two thousand, sixty-one".