61298329 has 2 divisors, whose sum is σ = 61298330. Its totient is φ = 61298328.

The previous prime is 61298309. The next prime is 61298401. The reversal of 61298329 is 92389216.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60840000 + 458329 = 7800^2 + 677^2 .

It is a cyclic number.

It is not a de Polignac number, because 61298329 - 2⁵ = 61298297 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 61298291 and 61298300.

It is not a weakly prime, because it can be changed into another prime (61298309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30649164 + 30649165.

It is an arithmetic number, because the mean of its divisors is an integer number (30649165).

Almost surely, 2^61298329 is an apocalyptic number.

It is an amenable number.

61298329 is a deficient number, since it is larger than the sum of its proper divisors (1).

61298329 is an equidigital number, since it uses as much as digits as its factorization.

61298329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 61298329 is about 7829.3249389714. The cubic root of 61298329 is about 394.2904079154.

The spelling of 61298329 in words is "sixty-one million, two hundred ninety-eight thousand, three hundred twenty-nine".