65029997 has 2 divisors, whose sum is σ = 65029998. Its totient is φ = 65029996.

The previous prime is 65029963. The next prime is 65030011. The reversal of 65029997 is 79992056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42172036 + 22857961 = 6494^2 + 4781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65029997 is a prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32514998 + 32514999.

It is an arithmetic number, because the mean of its divisors is an integer number (32514999).

Almost surely, 2^65029997 is an apocalyptic number.

It is an amenable number.

65029997 is a deficient number, since it is larger than the sum of its proper divisors (1).

65029997 is an equidigital number, since it uses as much as digits as its factorization.

65029997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 65029997 is about 8064.1178686822. The cubic root of 65029997 is about 402.1344174804.

The spelling of 65029997 in words is "sixty-five million, twenty-nine thousand, nine hundred ninety-seven".