61002070273 has 2 divisors, whose sum is σ = 61002070274. Its totient is φ = 61002070272.

The previous prime is 61002070243. The next prime is 61002070313. The reversal of 61002070273 is 37207020016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35226409969 + 25775660304 = 187687^2 + 160548^2 .

It is a cyclic number.

It is not a de Polignac number, because 61002070273 - 2⁹ = 61002069761 is a prime.

It is a super-3 number, since 3×61002070273³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (61002070223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30501035136 + 30501035137.

It is an arithmetic number, because the mean of its divisors is an integer number (30501035137).

Almost surely, 2^61002070273 is an apocalyptic number.

It is an amenable number.

61002070273 is a deficient number, since it is larger than the sum of its proper divisors (1).

61002070273 is an equidigital number, since it uses as much as digits as its factorization.

61002070273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

Adding to 61002070273 its reverse (37207020016), we get a palindrome (98209090289).

The spelling of 61002070273 in words is "sixty-one billion, two million, seventy thousand, two hundred seventy-three".