61303373 has 2 divisors, whose sum is σ = 61303374. Its totient is φ = 61303372.

The previous prime is 61303331. The next prime is 61303397. The reversal of 61303373 is 37330316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60248644 + 1054729 = 7762^2 + 1027^2 .

It is a cyclic number.

It is not a de Polignac number, because 61303373 - 2¹⁰ = 61302349 is a prime.

It is a Sophie Germain 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 (61303573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30651686 + 30651687.

It is an arithmetic number, because the mean of its divisors is an integer number (30651687).

Almost surely, 2^61303373 is an apocalyptic number.

It is an amenable number.

61303373 is a deficient number, since it is larger than the sum of its proper divisors (1).

61303373 is an equidigital number, since it uses as much as digits as its factorization.

61303373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 26.

The square root of 61303373 is about 7829.6470546251. The cubic root of 61303373 is about 394.3012224912.

Adding to 61303373 its reverse (37330316), we get a palindrome (98633689).

The spelling of 61303373 in words is "sixty-one million, three hundred three thousand, three hundred seventy-three".