61019417 has 2 divisors, whose sum is σ = 61019418. Its totient is φ = 61019416.

The previous prime is 61019411. The next prime is 61019461. The reversal of 61019417 is 71491016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40398736 + 20620681 = 6356^2 + 4541^2 .

It is a cyclic number.

It is not a de Polignac number, because 61019417 - 2⁶ = 61019353 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61019417.

It is not a weakly prime, because it can be changed into another prime (61019411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30509708 + 30509709.

It is an arithmetic number, because the mean of its divisors is an integer number (30509709).

Almost surely, 2^61019417 is an apocalyptic number.

It is an amenable number.

61019417 is a deficient number, since it is larger than the sum of its proper divisors (1).

61019417 is an equidigital number, since it uses as much as digits as its factorization.

61019417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 61019417 is about 7811.4926230523. The cubic root of 61019417 is about 393.6914816202.

The spelling of 61019417 in words is "sixty-one million, nineteen thousand, four hundred seventeen".