61417159 has 2 divisors, whose sum is σ = 61417160. Its totient is φ = 61417158.

The previous prime is 61417133. The next prime is 61417183. The reversal of 61417159 is 95171416.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61417159 - 2¹³ = 61408967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61417129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30708579 + 30708580.

It is an arithmetic number, because the mean of its divisors is an integer number (30708580).

Almost surely, 2^61417159 is an apocalyptic number.

61417159 is a deficient number, since it is larger than the sum of its proper divisors (1).

61417159 is an equidigital number, since it uses as much as digits as its factorization.

61417159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 34.

The square root of 61417159 is about 7836.9100415916. The cubic root of 61417159 is about 394.5450276117.

The spelling of 61417159 in words is "sixty-one million, four hundred seventeen thousand, one hundred fifty-nine".