61284829 has 2 divisors, whose sum is σ = 61284830. Its totient is φ = 61284828.

The previous prime is 61284787. The next prime is 61284889. The reversal of 61284829 is 92848216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56100100 + 5184729 = 7490^2 + 2277^2 .

It is a cyclic number.

It is not a de Polignac number, because 61284829 - 2²⁵ = 27730397 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 61284791 and 61284800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61284889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30642414 + 30642415.

It is an arithmetic number, because the mean of its divisors is an integer number (30642415).

Almost surely, 2^61284829 is an apocalyptic number.

It is an amenable number.

61284829 is a deficient number, since it is larger than the sum of its proper divisors (1).

61284829 is an equidigital number, since it uses as much as digits as its factorization.

61284829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 40.

The square root of 61284829 is about 7828.4627482029. The cubic root of 61284829 is about 394.2614603546.

The spelling of 61284829 in words is "sixty-one million, two hundred eighty-four thousand, eight hundred twenty-nine".