61007273 has 2 divisors, whose sum is σ = 61007274. Its totient is φ = 61007272.

The previous prime is 61007267. The next prime is 61007279. The reversal of 61007273 is 37270016.

It is a balanced prime because it is at equal distance from previous prime (61007267) and next prime (61007279).

It can be written as a sum of positive squares in only one way, i.e., 47844889 + 13162384 = 6917^2 + 3628^2 .

It is a cyclic number.

It is not a de Polignac number, because 61007273 - 2⁴ = 61007257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (61007279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30503636 + 30503637.

It is an arithmetic number, because the mean of its divisors is an integer number (30503637).

Almost surely, 2^61007273 is an apocalyptic number.

It is an amenable number.

61007273 is a deficient number, since it is larger than the sum of its proper divisors (1).

61007273 is an equidigital number, since it uses as much as digits as its factorization.

61007273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 61007273 is about 7810.7152681429. The cubic root of 61007273 is about 393.6653625759.

Adding to 61007273 its reverse (37270016), we get a palindrome (98277289).

The spelling of 61007273 in words is "sixty-one million, seven thousand, two hundred seventy-three".