61394317 has 2 divisors, whose sum is σ = 61394318. Its totient is φ = 61394316.

The previous prime is 61394309. The next prime is 61394321. The reversal of 61394317 is 71349316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53743561 + 7650756 = 7331^2 + 2766^2 .

It is a cyclic number.

It is not a de Polignac number, because 61394317 - 2³ = 61394309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61394017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30697158 + 30697159.

It is an arithmetic number, because the mean of its divisors is an integer number (30697159).

Almost surely, 2^61394317 is an apocalyptic number.

It is an amenable number.

61394317 is a deficient number, since it is larger than the sum of its proper divisors (1).

61394317 is an equidigital number, since it uses as much as digits as its factorization.

61394317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13608, while the sum is 34.

The square root of 61394317 is about 7835.4525714856. The cubic root of 61394317 is about 394.4961090621.

The spelling of 61394317 in words is "sixty-one million, three hundred ninety-four thousand, three hundred seventeen".