61333373 has 2 divisors, whose sum is σ = 61333374. Its totient is φ = 61333372.

The previous prime is 61333367. The next prime is 61333403. The reversal of 61333373 is 37333316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53392249 + 7941124 = 7307^2 + 2818^2 .

It is a cyclic number.

It is not a de Polignac number, because 61333373 - 2¹⁸ = 61071229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61333303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30666686 + 30666687.

It is an arithmetic number, because the mean of its divisors is an integer number (30666687).

Almost surely, 2^61333373 is an apocalyptic number.

It is an amenable number.

61333373 is a deficient number, since it is larger than the sum of its proper divisors (1).

61333373 is an equidigital number, since it uses as much as digits as its factorization.

61333373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 29.

The square root of 61333373 is about 7831.5626154683. The cubic root of 61333373 is about 394.3655316639.

Adding to 61333373 its reverse (37333316), we get a palindrome (98666689).

The spelling of 61333373 in words is "sixty-one million, three hundred thirty-three thousand, three hundred seventy-three".