64614157 has 2 divisors, whose sum is σ = 64614158. Its totient is φ = 64614156.

The previous prime is 64614149. The next prime is 64614163. The reversal of 64614157 is 75141646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45508516 + 19105641 = 6746^2 + 4371^2 .

It is a cyclic number.

It is not a de Polignac number, because 64614157 - 2³ = 64614149 is a prime.

It is equal to p_3819175 and since 64614157 and 3819175 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64614257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32307078 + 32307079.

It is an arithmetic number, because the mean of its divisors is an integer number (32307079).

Almost surely, 2^64614157 is an apocalyptic number.

It is an amenable number.

64614157 is a deficient number, since it is larger than the sum of its proper divisors (1).

64614157 is an equidigital number, since it uses as much as digits as its factorization.

64614157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 64614157 is about 8038.2931645966. The cubic root of 64614157 is about 401.2754226702.

The spelling of 64614157 in words is "sixty-four million, six hundred fourteen thousand, one hundred fifty-seven".