61314917 has 2 divisors, whose sum is σ = 61314918. Its totient is φ = 61314916.

The previous prime is 61314899. The next prime is 61314923. The reversal of 61314917 is 71941316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48455521 + 12859396 = 6961^2 + 3586^2 .

It is a cyclic number.

It is not a de Polignac number, because 61314917 - 2¹⁴ = 61298533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61314977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30657458 + 30657459.

It is an arithmetic number, because the mean of its divisors is an integer number (30657459).

Almost surely, 2^61314917 is an apocalyptic number.

It is an amenable number.

61314917 is a deficient number, since it is larger than the sum of its proper divisors (1).

61314917 is an equidigital number, since it uses as much as digits as its factorization.

61314917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 61314917 is about 7830.3842179040. The cubic root of 61314917 is about 394.3259711437.

The spelling of 61314917 in words is "sixty-one million, three hundred fourteen thousand, nine hundred seventeen".