61064231 has 2 divisors, whose sum is σ = 61064232. Its totient is φ = 61064230.

The previous prime is 61064219. The next prime is 61064243. The reversal of 61064231 is 13246016.

It is a happy number.

61064231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (61064219) and next prime (61064243).

It is a cyclic number.

It is not a de Polignac number, because 61064231 - 2⁶ = 61064167 is a prime.

It is a super-2 number, since 2×61064231² = 7457680615242722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61064197 and 61064206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61064251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30532115 + 30532116.

It is an arithmetic number, because the mean of its divisors is an integer number (30532116).

Almost surely, 2^61064231 is an apocalyptic number.

61064231 is a deficient number, since it is larger than the sum of its proper divisors (1).

61064231 is an equidigital number, since it uses as much as digits as its factorization.

61064231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 61064231 is about 7814.3605624517. The cubic root of 61064231 is about 393.7878365925.

The spelling of 61064231 in words is "sixty-one million, sixty-four thousand, two hundred thirty-one".