7381005061 has 2 divisors, whose sum is σ = 7381005062. Its totient is φ = 7381005060.

The previous prime is 7381005053. The next prime is 7381005097. The reversal of 7381005061 is 1605001837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7294868100 + 86136961 = 85410^2 + 9281^2 .

It is an emirp because it is prime and its reverse (1605001837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7381005061 - 2³ = 7381005053 is a prime.

It is a super-2 number, since 2×7381005061² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7381005001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3690502530 + 3690502531.

It is an arithmetic number, because the mean of its divisors is an integer number (3690502531).

Almost surely, 2^7381005061 is an apocalyptic number.

It is an amenable number.

7381005061 is a deficient number, since it is larger than the sum of its proper divisors (1).

7381005061 is an equidigital number, since it uses as much as digits as its factorization.

7381005061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 7381005061 is about 85912.7758892704. The cubic root of 7381005061 is about 1947.0263737843.

Adding to 7381005061 its reverse (1605001837), we get a palindrome (8986006898).

The spelling of 7381005061 in words is "seven billion, three hundred eighty-one million, five thousand, sixty-one".