61350517 has 2 divisors, whose sum is σ = 61350518. Its totient is φ = 61350516.

The previous prime is 61350511. The next prime is 61350533. The reversal of 61350517 is 71505316.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43151761 + 18198756 = 6569^2 + 4266^2 .

It is a cyclic number.

It is not a de Polignac number, because 61350517 - 2⁷ = 61350389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61350511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30675258 + 30675259.

It is an arithmetic number, because the mean of its divisors is an integer number (30675259).

Almost surely, 2^61350517 is an apocalyptic number.

It is an amenable number.

61350517 is a deficient number, since it is larger than the sum of its proper divisors (1).

61350517 is an equidigital number, since it uses as much as digits as its factorization.

61350517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 61350517 is about 7832.6570842850. The cubic root of 61350517 is about 394.4022727968.

The spelling of 61350517 in words is "sixty-one million, three hundred fifty thousand, five hundred seventeen".