61430417 has 2 divisors, whose sum is σ = 61430418. Its totient is φ = 61430416.

The previous prime is 61430353. The next prime is 61430429. The reversal of 61430417 is 71403416.

61430417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33223696 + 28206721 = 5764^2 + 5311^2 .

It is a cyclic number.

It is not a de Polignac number, because 61430417 - 2⁶ = 61430353 is a prime.

It is a super-2 number, since 2×61430417² = 7547392265587778, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (61430917) 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, 30715208 + 30715209.

It is an arithmetic number, because the mean of its divisors is an integer number (30715209).

Almost surely, 2^61430417 is an apocalyptic number.

It is an amenable number.

61430417 is a deficient number, since it is larger than the sum of its proper divisors (1).

61430417 is an equidigital number, since it uses as much as digits as its factorization.

61430417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 61430417 is about 7837.7558650420. The cubic root of 61430417 is about 394.5734154526.

The spelling of 61430417 in words is "sixty-one million, four hundred thirty thousand, four hundred seventeen".