61013369 has 2 divisors, whose sum is σ = 61013370. Its totient is φ = 61013368.

The previous prime is 61013347. The next prime is 61013377. The reversal of 61013369 is 96331016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58323769 + 2689600 = 7637^2 + 1640^2 .

It is a cyclic number.

It is not a de Polignac number, because 61013369 - 2¹⁶ = 60947833 is a prime.

It is a super-2 number, since 2×61013369² = 7445262393460322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61013339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30506684 + 30506685.

It is an arithmetic number, because the mean of its divisors is an integer number (30506685).

Almost surely, 2^61013369 is an apocalyptic number.

It is an amenable number.

61013369 is a deficient number, since it is larger than the sum of its proper divisors (1).

61013369 is an equidigital number, since it uses as much as digits as its factorization.

61013369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 61013369 is about 7811.1054915422. The cubic root of 61013369 is about 393.6784741499.

The spelling of 61013369 in words is "sixty-one million, thirteen thousand, three hundred sixty-nine".