65104387 has 2 divisors, whose sum is σ = 65104388. Its totient is φ = 65104386.

The previous prime is 65104367. The next prime is 65104397. The reversal of 65104387 is 78340156.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65104387 is a prime.

It is not a weakly prime, because it can be changed into another prime (65104337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32552193 + 32552194.

It is an arithmetic number, because the mean of its divisors is an integer number (32552194).

Almost surely, 2^65104387 is an apocalyptic number.

65104387 is a deficient number, since it is larger than the sum of its proper divisors (1).

65104387 is an equidigital number, since it uses as much as digits as its factorization.

65104387 is an evil number, because the sum of its binary digits is even.

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

The square root of 65104387 is about 8068.7289581445. The cubic root of 65104387 is about 402.2876974081.

The spelling of 65104387 in words is "sixty-five million, one hundred four thousand, three hundred eighty-seven".