30610061 has 2 divisors, whose sum is σ = 30610062. Its totient is φ = 30610060.

The previous prime is 30610043. The next prime is 30610087. The reversal of 30610061 is 16001603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18576100 + 12033961 = 4310^2 + 3469^2 .

It is a cyclic number.

It is not a de Polignac number, because 30610061 - 2¹⁴ = 30593677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30610001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15305030 + 15305031.

It is an arithmetic number, because the mean of its divisors is an integer number (15305031).

Almost surely, 2^30610061 is an apocalyptic number.

It is an amenable number.

30610061 is a deficient number, since it is larger than the sum of its proper divisors (1).

30610061 is an equidigital number, since it uses as much as digits as its factorization.

30610061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 30610061 is about 5532.6359901949. The cubic root of 30610061 is about 312.8153565338.

Adding to 30610061 its reverse (16001603), we get a palindrome (46611664).

The spelling of 30610061 in words is "thirty million, six hundred ten thousand, sixty-one".