40620325061 has 2 divisors, whose sum is σ = 40620325062. Its totient is φ = 40620325060.

The previous prime is 40620325021. The next prime is 40620325063. The reversal of 40620325061 is 16052302604.

40620325061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21377364100 + 19242960961 = 146210^2 + 138719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40620325061 is a prime.

It is a super-2 number, since 2×40620325061² (a number of 22 digits) contains 22 as substring.

Together with 40620325063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40620325063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20310162530 + 20310162531.

It is an arithmetic number, because the mean of its divisors is an integer number (20310162531).

Almost surely, 2^40620325061 is an apocalyptic number.

It is an amenable number.

40620325061 is a deficient number, since it is larger than the sum of its proper divisors (1).

40620325061 is an equidigital number, since it uses as much as digits as its factorization.

40620325061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 40620325061 its reverse (16052302604), we get a palindrome (56672627665).

The spelling of 40620325061 in words is "forty billion, six hundred twenty million, three hundred twenty-five thousand, sixty-one".